Riese, C. http://orcid.org/0000-0002-5809-827X
Weiß, B.
Borges, U. Jr
Beylich, A.
Dengler, R.
Hermes-Moll, K.
Welslau, M.
Baumann, W.
Funding for this research was provided by:
Bundesministerium für Gesundheit
Article History
Received: 22 November 2016
Accepted: 30 May 2017
First Online: 9 June 2017
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.