Eriksson, Mats
Samuelson, Lotta
Jägrud, Linnéa
Mattsson, Eskil
Celander, Thorsten
Malmer, Anders
Bengtsson, Klas
Johansson, Olof
Schaaf, Nicolai
Svending, Ola
Tengberg, Anna
Article History
Received: 2 February 2017
Accepted: 16 April 2018
First Online: 21 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.