Kreft, Andreas http://orcid.org/0000-0002-8644-6390
Neumann, Helmut
von Bach, Danjell Sartorius
Wagner-Drouet, Eva Maria
Article History
Received: 4 August 2018
Revised: 10 November 2018
Accepted: 4 December 2018
First Online: 3 January 2019
Compliance with ethical standards
: This study was approved by the ethical committee of the medical board of Rhineland Palatinate (No. 0837.271.12 (8372)).
: The authors declare that they have no conflict of interest.