[1] Univ Oslo, Inst Hlth & Soc, Fac Med, Oslo, Norway
[2] Innlandet Hosp Trust, Dept Med, Lillehammer, Norway
[3] Western Norway Univ Appl Sci, Ctr Evidence Based Practice, Fac Hlth & Social Sci, Bergen, Norway
[4] Inland Norway Univ Appl Sci, Dept Hlth & Nursing Sci, Elverum, Norway
[5] Innlandet Hosp Trust, Ctr Psychol Relig, Div Mental Hlth Care, Ottestad, Norway
[6] Norwegian Sch Theol Relig & Soc, Dept Theol & Minist, Oslo, Norway