Grindstad, Thea
Skjefstad, Kaja
Andersen, Sigve
Ness, Nora
Nordby, Yngve
Al-Saad, Samer
Fismen, Silje
Donnem, Tom
Khanehkenari, Mehrdad Rakaee
Busund, Lill-Tove
Bremnes, Roy M.
Richardsen, Elin
Article History
Received: 23 March 2016
Accepted: 22 August 2016
First Online: 9 September 2016
Competing interests
: The authors declare no competing financial interests.