Bloch, Robert
Schütze, Susann-Elisabeth
Müller, Erik
Röder, Stefan
Lehmann, Irina
Brack, Werner
Krauss, Martin
Article History
Received: 6 May 2019
Revised: 11 August 2019
Accepted: 23 September 2019
First Online: 30 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.Participation in the study was voluntary and informed written consent was provided by the participants. The study was conducted according to international ethical guidelines for epidemiological studies. Study participants were recruited at the municipal hospital “St. Georg” in Leipzig, Germany, an academic hospital of Leipzig University. The study was approved by the ethics committee of Leipzig University (file ref.# 046-2006).