Vågerö, Denny http://orcid.org/0000-0002-1854-2292
Pinger, Pia R. http://orcid.org/0000-0002-7065-2288
Aronsson, Vanda http://orcid.org/0000-0002-2788-4438
van den Berg, Gerard J. http://orcid.org/0000-0001-7354-7486
Article History
Received: 19 May 2018
Accepted: 9 November 2018
First Online: 11 December 2018
Competing interests
: The authors declare no competing interests.