Frippiat, Jean-Pol
Crucian, Brian E
de Quervain, Dominique J-F
Grimm, Daniela
Montano, Nicola
Praun, Siegfried
Roozendaal, Benno
Schelling, Gustav
Thiel, Manfred
Ullrich, Oliver
Choukèr, Alexander
Article History
Received: 20 February 2016
Revised: 11 October 2016
Accepted: 13 October 2016
First Online: 1 December 2016
Competing interests
: The authors declare no conflict of interest.