Svingen, Terje http://orcid.org/0000-0003-4650-7651
Ramhøj, Louise http://orcid.org/0000-0002-0298-8003
Mandrup, Karen
Christiansen, Sofie http://orcid.org/0000-0001-6553-3260
Axelstad, Marta
Vinggaard, Anne Marie http://orcid.org/0000-0002-6822-3572
Hass, Ulla
Article History
Received: 7 September 2017
Accepted: 13 December 2017
First Online: 10 January 2018
Competing Interests
: The authors declare that they have no competing interests.