Roger Wahba
Roger Wahba
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,✉,#,
Rabi Raj Datta
Rabi Raj Datta
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,#,
Andrea Hedergott
Andrea Hedergott
2Department of Ophthalmology, University Hospital of Cologne, University of Cologne, Cologne, Germany
2,
Jana Bußhoff
Jana Bußhoff
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Thomas Bruns
Thomas Bruns
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Robert Kleinert
Robert Kleinert
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Georg Dieplinger
Georg Dieplinger
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Hans Fuchs
Hans Fuchs
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Caroline Gietzelt
Caroline Gietzelt
2Department of Ophthalmology, University Hospital of Cologne, University of Cologne, Cologne, Germany
2,
Desdemona Möller
Desdemona Möller
3Faculty of Management, Economics and Social Sciences, Department of Business Administration and Health Care Management, University of Cologne, Cologne, Germany
3,
Martin Hellmich
Martin Hellmich
4Institute of Medical Statistics and Computational Biology, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
4,
Christiane J Bruns
Christiane J Bruns
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1,
Dirk L Stippel
Dirk L Stippel
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
1
1Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, University of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
2Department of Ophthalmology, University Hospital of Cologne, University of Cologne, Cologne, Germany
3Faculty of Management, Economics and Social Sciences, Department of Business Administration and Health Care Management, University of Cologne, Cologne, Germany
4Institute of Medical Statistics and Computational Biology, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
© The Author(s). 2020
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