Skjefstad, Kaja
Johannessen, Charles
Grindstad, Thea
Kilvaer, Thomas
Paulsen, Erna-Elise
Pedersen, Mona
Donnem, Tom
Andersen, Sigve
Bremnes, Roy
Richardsen, Elin
Al-Saad, Samer
Busund, Lill-Tove
Article History
Received: 15 January 2018
Accepted: 15 May 2018
First Online: 4 June 2018
Competing Interests
: The authors declare no competing interests.