Hafke, Angelina
Schürmann, Peter
Rothämel, Thomas
Dörk, Thilo
Klintschar, Michael http://orcid.org/0000-0001-8036-571X
Article History
Received: 27 July 2018
Accepted: 20 November 2018
First Online: 8 January 2019
Compliance with ethical standards
: The local ethics committee at Hannover Medical School has approved this study.