Niedermaier, Tobias
Weigl, Korbinian
Hoffmeister, Michael
Brenner, Hermann
Funding for this research was provided by:
Central Research Institute of Ambulatory Health Care in Germany (108230, 110553)
German Federal Ministry of Education and Research (01GL 1712)
Article History
Received: 3 November 2017
Accepted: 3 May 2018
First Online: 12 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.