Beller, Johannes
Bauersachs, Johann
Schäfer, Andreas
Schwettmann, Lars
Heier, Margit
Peters, Annette
Meisinger, Christa
Geyer, Siegfried
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (GE1167/15-1, GE1167/15-1)
Allgemeine Ortskrankenkasse Niedersachsen, no funding number assigned
Article History
Received: 4 July 2019
Accepted: 18 May 2020
First Online: 15 June 2020
Competing interests
: The authors declare no competing interests.