Schwaiger, Benedikt J.
Gersing, Alexandra S.
Hammel, Johannes
Mei, Kai
Kopp, Felix K.
Kirschke, Jan S.
Rummeny, Ernst J.
Wörtler, Klaus
Baum, Thomas
Noël, Peter B.
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (13GW0072C)
Deutsche Forschungsgemeinschaft (GRK 2274)
Article History
Received: 10 January 2018
Revised: 20 April 2018
Accepted: 14 May 2018
First Online: 25 May 2018
Compliance with ethical standards
: All procedures performed were in accordance with the ethical standards of the institutional review board and with the 1964 Helsinki declaration and its later amendments.
: The authors declare that they have no conflicts of interest.