Tran, Anh Thi http://orcid.org/0000-0003-4455-8172
Berg, Tore Julsrud
Gjelsvik, Bjørn
Mdala, Ibrahimu
Thue, Geir
Cooper, John Graham
Nøkleby, Kjersti
Claudi, Tor
Bakke, Åsne
Sandberg, Sverre
Jenum, Anne Karen
Funding for this research was provided by:
EkstraStiftelsen Helse og Rehabilitering (2005/FO5107)
Article History
Received: 31 May 2019
Accepted: 24 September 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: The ROSA 4 study was approved by the Regional Ethical Committee which had given permission to conduct the study without consent to participate. The committee’s reference number was 2014/1374/REK vest.
: Not applicable.
: The authors declare that they have no competing interests.