Johannessen, Hege Hølmo http://orcid.org/0000-0002-6570-3466
Norderval, Stig
Stordahl, Arvid
Falk, Ragnhild Sørum
Wibe, Arne
Funding for this research was provided by:
Østfold Hospital Trust
Norwegian Extra Foundation for Health and Rehabilitation through EXTRA funds
Norwegian Women’s Public Health Association
Helse Midt-Norge (NO)