Görtz, Dieter
Braun, Gerald S.
Maruta, Yuichi
Djudjaj, Sonja
van Roeyen, Claudia R.
Martin, Ina V.
Küster, Andrea
Schmitz-Van de Leur, Hildegard
Scheller, Jürgen
Ostendorf, Tammo
Floege, Jürgen
Müller-Newen, Gerhard
Article History
Received: 4 February 2015
Accepted: 27 August 2015
First Online: 1 October 2015
Competing interests
: The authors declare no competing financial interests.