Rignault-Clerc, Stéphanie
Bielmann, Christelle
Liaudet, Lucas
Waeber, Bernard
Feihl, François
Rosenblatt-Velin, Nathalie
Article History
Received: 24 June 2016
Accepted: 4 January 2017
First Online: 9 February 2017
Competing interests
: The authors declare no competing financial interests.