Matuschek, Christiane
Nestle-Kraemling, Carolin
Haussmann, Jan
Bölke, Edwin
Wollandt, Sylvia
Speer, Vanessa
Djiepmo Njanang, Freddy Joel
Tamaskovics, Bálint
Gerber, Peter Arne
Orth, Klaus
Ruckhaeberle, Eugen
Fehm, Tanja
Corradini, Stefanie
Lammering, Guido
Mohrmann, Svjetlana
Audretsch, Werner
Roth, Stephan
Kammers, Kai
Budach, Wilfried
Article History
Received: 18 January 2019
Accepted: 12 April 2019
First Online: 17 May 2019
Compliance with ethical guidelines
:
: C. Matuschek, C. Nestle-Kraemling, J. Haussmann, E. Bölke, S. Wollandt, V. Speer, F.J. Djiepmo Njanang, B. Tamaskovics, P.A. Gerber, K. Orth, E. Ruckhaeberle, T. Fehm, S. Corradini, G. Lammering, S. Mohrmann, W. Audretsch, S. Roth, K. Kammers, and W. Budach declare that they have no competing interests.
: The study was approved by the local ethics committee (No.: 4070).