Fjeld, Karianne
Weiss, Frank Ulrich http://orcid.org/0000-0003-3369-6369
Lasher, Denise
Rosendahl, Jonas
Chen, Jian-Min http://orcid.org/0000-0002-2424-3969
Johansson, Bente B
Kirsten, Holger
Ruffert, Claudia
Masson, Emmanuelle
Steine, Solrun J
Bugert, Peter
Cnop, Miriam
Grützmann, Robert
Mayerle, Julia
Mössner, Joachim
Ringdal, Monika
Schulz, Hans-Ulrich
Sendler, Matthias
Simon, Peter
Sztromwasser, Paweł
Torsvik, Janniche
Scholz, Markus
Tjora, Erling
Férec, Claude
Witt, Heiko
Lerch, Markus M
Njølstad, Pål R
Johansson, Stefan
Molven, Anders
Article History
Received: 23 September 2014
Accepted: 19 February 2015
First Online: 16 March 2015
Competing interests
: The authors declare no competing financial interests.