Negwer, Inka
Best, Andreas
Schinnerer, Meike
Schäfer, Olga
Capeloa, Leon
Wagner, Manfred
Schmidt, Manfred
Mailänder, Volker
Helm, Mark https://orcid.org/0000-0002-0154-0928
Barz, Matthias https://orcid.org/0000-0002-1749-9034
Butt, Hans-Jürgen
Koynov, Kaloian https://orcid.org/0000-0002-4062-8834
Article History
Received: 26 April 2018
Accepted: 19 November 2018
First Online: 13 December 2018
Competing interests
: The authors declare no competing interests.