Schaefer, Betti
Bartosova, Maria
Macher-Goeppinger, Stephan
Ujszaszi, Akos
Wallwiener, Markus
Nyarangi-Dix, Joanne
Sallay, Peter
Burkhardt, Dorothea
Querfeld, Uwe
Pfeifle, Viktoria
Lahrmann, Bernd
Schwenger, Vedat
Wühl, Elke
Holland-Cunz, Stefan
Schaefer, Franz
Schmitt, Claus P.
Article History
Received: 9 October 2015
Accepted: 21 January 2016
First Online: 19 February 2016
Competing interests
: The authors declare no competing financial interests.