van Gelder, M
de Wreede, L C
Bornhäuser, M
Niederwieser, D
Karas, M
Anderson, N S
Gramatzki, M
Dreger, P
Michallet, M
Petersen, E
Bunjes, D
Potter, M
Beelen, D
Cornelissen, J J
Yakoub-Agha, I
Russell, N H
Finke, J
Schoemans, H
Vitek, A
Urbano-Ispízua, Á
Blaise, D
Volin, L
Chevallier, P
Caballero, D
Putter, H
van Biezen, A
Henseler, A
Schönland, S
Kröger, N
Schetelig, J
,
Article History
Received: 18 April 2016
Revised: 29 July 2016
Accepted: 2 August 2016
First Online: 12 December 2016
Competing interests
: The authors declare no conflict of interest.