Gottschalk, Julia http://orcid.org/0000-0002-0403-3059
Skinner, Luke C.
Lippold, Jörg
Vogel, Hendrik http://orcid.org/0000-0002-9902-8120
Frank, Norbert
Jaccard, Samuel L.
Waelbroeck, Claire
Article History
Received: 12 October 2015
Accepted: 6 April 2016
First Online: 17 May 2016
Competing interests
: The authors declare no competing financial interests.