CMMC Principal Investigators/Addresses/e-Mail

Prof. Dr. Hinrich Abken · B 3
Department I of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89614 · Fax: +49 221 478 97295
E-Mail: hinrich.abken@uk-koeln.de

Anne Bechtluft · Scientific
Management Office (SMO) / Secretary
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89535 · Fax: +49 221 478 4833
E-Mail: ait65@uni-koeln.de

Konstantin Belostotski · System Administrator
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89521 · Fax: +49 221 478 7789
E-Mail: konstantin.belostotski@uni-koeln.de

Prof. Dr. Thomas Benzing ·A 8
Department IV of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 4480 · Fax: +49 221 478 5959
E-Mail: thomas.benzing@uk-koeln.de

Prof. Dr. Frank Berthold · B / Liaison Group
Department of Pediatric Oncology and Hematology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 69 · D-50924 Cologne
Phone: +49 221 478 4380 · Fax: +49 221 478 4689
E-Mail: frank.berthold@uk-koeln.de

Prof. Dr. Jens C. Brüning · A 1 / D 7
Institute for Genetics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 2467 · Fax: +49 221 470 5185
E-Mail: jens.bruening@uni-koeln.de

PD Dr. Hildegard Büning · B 5
Department I of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89611 · Fax: +49 221 478 97255
E-Mail: hildegard.buening@uk-koeln.de

Dr. Yeong-Hoon Choi · A 9
Department of Cardiothoracic Surgery and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 32452 · Fax: +49 221 478 32509
E-Mail: yh.choi@uk-koeln.de

Cornelius Evers · Graphics and Art Unit
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 4524 · Fax: +49 221 478 4833
E-Mail: cornelius.evers@uni-koeln.de

PD Dr. Martin Gajewski · A 10
Institute for Genetics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 6912 · Fax: +49 221 470 5975
E-Mail: martin.gajewski@uni-koeln.de

Dr. Debora Grosskopf-Kroiher · Scientific
Management Office (SMO)
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 5552 · Fax: +49 221 478 4833
E-Mail: debora.grosskopf-kroiher@uni-koeln.de

PD Dr. Dr. Ingo Haase · C 1
Department of Dermatology and Venerology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 86360 or 89515 · Fax: +49 221 487 89346
E-Mail: ingo.haase@uni-koeln.de

Susanne Haase · Scientific
Management Office (SMO) / Secretary
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89536 · Fax: +49 221 478 4833
E-Mail: zmmk-office@uni-koeln.de

PD Dr. Ulrich Hacker · B 5
Department I of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 5668 · Fax: +49 221 478 87010
E-Mail: ulrich.hacker@uni-koeln.de

Dr. Eric Hahnen · D 5
Institute for Human Genetics and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 34 · D-50931 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 86825 · Fax: +49 221 478 86465
E-Mail: eric.hahnen@uk-koeln.de

Prof. Dr. Michael Hallek · B 5
Department I of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 4400 · Fax:+49 221 478 5455
E-Mail: michael.hallek@uni-koeln.de

Prof. Dr. Matthias Hammerschmidt · C 5
Institute for Developmental Biology and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Gyrhofstr. 17 · D-50923 Cologne
Phone: +49 221 470 2486 · Fax:+49 221 470 5164
E-Mail: mhammers@uni-koeln.de

Prof. Dr. Franz-Georg Hanisch · Bioanalytics
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89542 or 4493 · Fax: +49 221 478 7788
E-Mail: franz.hanisch@uni-koeln.de

Christian Hartmann · Animal Facility Network
of the Faculty of Medicine of the University of Cologne and
ZMMK-Forschungsgebäude
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 89528 · Fax: +49 221 478 3984
E-Mail: christian.hartmann@uk-koeln.de

Dr. Hans-Christian Hennies · C 2
Cologne Center for Genomics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47· D-50674 Cologne
Phone: +49 221 470 1350 · Fax: +49 221 470 1595
E-Mail: h.hennies@uni-koeln.de

Prof. Dr. Stefan Herzig · A 4
Institute for Pharmacology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Gleueler Str. 24 · D-50931 Cologne
Phone: +49 221 478 6064 · Fax: +49 221 478 5022
E-Mail: stefan.herzig@uni-koeln.de

Prof. Dr. Jürgen Hescheler · A 9 / D 2
Institute for Neurophysiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 6960 · Fax: +49 221 478 3834
E-Mail: j.hescheler@uni-koeln.de

Prof. Dr. Stefan Höning · C 3
Institute for Biochemistry I and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 3656 · Fax: +49 221 478 6979
E-Mail: shoening@uni-koeln.de

Prof. Dr. Uta C. Hoppe · A 3 / A 4
Department III of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 32396 or 89593 · Fax: +49 221 478 32397
E-Mail: uta.hoppe@uni-koeln.de

PD Dr. Hamid Kashkar · B 4
Institute for Medical Microbiology,
Immunology and Hygiene and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Goldenfelsstr. 19-21 · D-50935 Cologne
Phone: +49 221 478 7283 · Fax: +49 221 478 7288
E-Mail: h.kashkar@uni-koeln.de

PD Dr. Jürgen-Christoph von Kleist-Retzow · D 9
Department of Pediatrics and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 4387 · Fax: +49 221 478 3898
E-Mail: juergen-christoph.vonkleist@uk-koeln.de

Prof. Dr. Peter Kloppenburg · D 7
Institute for Zoology and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Weyertal 119 · D-50923 Cologne
Phone: +49 221 478 5950 · Fax: +49 221 478 4889
E-Mail: peter.kloppenburg@uni-koeln.de

Prof. Dr. Manuel Koch · C 4
Institute for Biochemistry II and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 88736 · Fax: +49 221 478 6977
E-Mail: manuel.koch@uni-koeln.de

Prof. Dr. Dr. Thomas Krieg · B 1
Department of Dermatology and Venerology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 4501 · Fax: +49 221 478 4538
E-Mail: thomas.krieg@uni-koeln.de

Prof. Dr. Wilhelm Krone · D 1
Department II of Internal Medicine and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 4070 · Fax: +49 221 478 4179
E-Mail: wilhelm.krone@uk-koeln.de

Prof. Dr. Martin Krönke · B 4
Institute for Medical Microbiology,
Immunology and Hygiene and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Goldenfelsstr. 19-21 · D-50935 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 32000 · Fax: +49 221 478 32002
E-Mail: m.kroenke@uni-koeln.de

Dr. Oleg Krut · C 7
Institute for Medical Microbiology,
Immunology and Hygiene and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Goldenfelsstr. 19-21 · D-50935 Cologne
Phone: +49 221 478 32103 · Fax: +49 221 478 32134
E-Mail: oleg.krut@uni-koeln.de

Prof. Dr. Christian Kubisch ·  D 6
Institute of Human Genetics and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 34 · D-50931 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 86834 · Fax: +49 221 478 86465
E-Mail: christian.kubisch@uk-koeln.de

Gertrud Lang Secretary of the Animal Facility
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 3887 · Fax: +49 221 478 3984
E-Mail: gertrud.lang@uni-koeln.de

Prof. Dr. Thomas Langer · D 3
Institute for Genetics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 4876 · Fax: +49 221 470 6748
E-Mail: thomas.langer@uni-koeln.de

Dr. Esther Mahabir-Brenner Animal Facility
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89540 · Fax: +49 221 478 3984
E-Mail: esther.mahabir-brenner@uni-koeln.de

Prof. Dr. Dr. Cornelia Mauch · B 1
Department of Dermatology and Venerology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
Phone: +49 221 478 86194 · Fax: +49 221 478 87060
E-Mail: cornelia.mauch@uk-koeln.de

Sandra Nelles · Postgraduate Program Molecular Medicine / Secretary
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89533 · Fax: +49 221 478 4833
E-Mail: ipp-mol-med@uni-koeln.de

Dr. Catherin Niemann · B / Junior Research Group IV
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89511 · Fax: +49 221 478 86737
E-Mail: cnieman1@uni-koeln.de

Prof. Dr. Carien Niessen · B / assoc. Group
Department of Dermatology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 89512 · Fax: +49 221 478 97254
E-Mail: carien.niessen@uni-koeln.de

Prof. Dr. Angelika A. Noegel · A 2
Institute for Biochemistry I and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 6980 · Fax: +49 221 478 6979
E-Mail: noegel@uni-koeln.de

Prof. Dr. Peter Nürnberg · C 2
Cologne Center for Genomics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 1350 · Fax: +49 221 470 1595
E-Mail: nuernberg@uni-koeln.de

Prof. Dr. Manolis Pasparakis · A 7
Institute for Genetics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 1526 · Fax: +49 221 470 5163
E-Mail: pasparakis@uni-koeln.de

Prof. Dr. Mats Paulsson · C 6
Institute for Biochemistry II and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 6997 · Fax: +49 221 478 3109
E-Mail: mats.paulsson@uni-koeln.de

Prof. Dr. Herbert J. Pfister · B 2
Institute of Virology and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Fürst-Pückler-Str. 56 · D-50935 Cologne
Phone: +49 221 478 3900 · Fax: +49 221 478 3902
E-Mail: herbert.pfister@uk-koeln.de

Prof. Dr. Gabriele Pfitzer · A 6
Institute for Vegetative Physiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 6950 · Fax: +49 221 478 3538
E-Mail: gabriele.pfitzer@uni-koeln.de

Dr. Markus Plomann · D 4
Institute for Biochemistry II and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 6944 · Fax: +49 221 478 6977
E-Mail: markus.plomann@uni-koeln.de

Dr. Gerrit Praefcke · B / Junior Research Group VI
Hosted by: Institute for Genetics and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Zülpicher Str. 47 · D-50674 Cologne
Phone: +49 221 470 4847 · Fax: +49 221 470 6585
E-Mail: gpraefck@uni-koeln.de

PD Dr. Sephan Rosenkranz · A 5
Department III of Internal Medicineand and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50924 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 32401 · Fax: +49 221 478 32400
E-Mail: stephan.rosenkranz@uk-koeln.de

Prof. Dr. Agapios Sachinidis · A 10
Institute for Neurophysiologyand and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 7373 · Fax: +49 221 478 6965
E-Mail: a.sachinidis@uni-koeln.de

Dr. Dr. Tomo Šarić · B 7
Institute for Neurophysiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 86686 · Fax: +49 221 478 3834
E-Mail: tomo.saric@uni-koeln.de

Prof. Dr. Toni Schneider · D 2
Institute for Neurophysiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 6946 · Fax: +49 221 478 6965
E-Mail: toni.schneider@uni-koeln.de

PD Dr. Markus Schubert · D 1
Department II of Internal Medicineand and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 62 · D-50937 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 5481 · Fax: +49 221 478 97296
E-Mail: markus.schubert@uni-koeln.de

Prof. Dr. Guenter Schwarz · D 8
Institute for Biochemistry and
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Otto-Fischer-Str. 12-14 · D-50674 Cologne
Phone: +49 221 470 6432 · Fax: +49 221 470 6731
E-Mail: gschwarz@uni-koeln.de

Prof. Dr. Sigrun Smola · B 6
Current Address:
Saarland University Hospital
Institute of Virology
Building 47 · D-66421 Homburg
Phone: +49 6841 16 23931 or 23932 · Fax: +49 6841 16 23980
E-Mail: sekretariat.smola@uks.eu
Institute of Virology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Fürst-Pückler-Str. 56 · D-50935 Cologne
Phone: +49 221 478 3928 · Fax: +49 221 478 3904
E-Mail: s.smola@uni-koeln.de

Dr. Robert Stehle · A 6
Institute for Vegetative Physiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 6952 · Fax: +49 221 478 3538
E-Mail: robert.stehle@uni-koeln.de

Prof. Dr. Dr. Dr. h.c. Wilhelm Stoffel · Senior Research Group
Laboratory of Molecular Neuroscience and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 6881 · Fax: +49 221 478 6882
E-Mail: wilhelm.stoffel@uni-koeln.de

PD Dr. Olaf Utermöhlen · B 7
Institute for Medical Microbiology,
Immunology and Hygiene and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Goldenfelsstr. 19-21 · D-50935 Cologne
Phone: +49 221 478 32023 · Fax: +49 221 478 32002
E-Mail: olaf.utermoehlen@uk-koeln.de

Prof. Dr. Thorsten Wahlers · A 9
Department of Cardiothoracic Surgery and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 61 · D-50924 Cologne
Phone: +49 221 478 4128 · Fax: +49 221 478 4186
E-Mail: thorsten.wahlers@uk-koeln.de

Dr. Dr. Marco Weiergräber · D 2
Institute for Neurophysiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 6968 · Fax: +49 221 478 6965
E-Mail: akp74@uni-koeln.de

Prof. Dr. Rudolf Wiesner · D 9
Institute for Vegetative Physiology and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Robert-Koch-Str. 39 · D-50931 Cologne
Phone: +49 221 478 3610 · Fax: +49 221 478 3538
E-Mail: rudolf.wiesner@uni-koeln.de

Prof. Dr. Brunhilde Wirth · D 5
Institute for Human Genetics and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 34 · D-50931 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 86464 · Fax: +49 221 478 86465
E-Mail: brunhilde.wirth@uk-koeln.de

Prof. Dr. Thorsten Wittwer · A 9
Department of Cardiothoracic Surgery and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Kerpener Str. 61 · D-50931 Cologne
Phone: +49 221 478 4128 · Fax: +49 221 478 4186
E-Mail: thorsten.wittwer@uk-koeln.de

Dr. Bernd Wollnik · A / Junior Research Group V
Center for Molecular Medicine Cologne (CMMC)
University of Cologne
Kerpener Str. 34 · D-50931 Cologne
ZMMK-Forschungsgebäude
Robert-Koch-Str. 21 · D-50931 Cologne
Phone: +49 221 478 86817 · Fax: +49 221 478 86812
E-Mail: bwollnik@uni-koeln.de

Dr. Frank Zaucke · C 6
Institute for Biochemistry II and
Center for Molecular Medicine Cologne (CMMC)
Medical Center, University of Cologne
Joseph-Stelzmann-Str. 52 · D-50931 Cologne
Phone: +49 221 478 6943 · Fax: +49 221 478 6977
E-Mail: frank.zaucke@uni-koeln.de