[1] Oslo Univ Hosp, Dept Digital Hlth Res, Div Med, Oslo, Norway
[2] Univ Oslo, Fac Med, Inst Clin Med, Oslo, Norway
[3] Univ South Eastern Norway, Fac Hlth & Social Sci, Drammen, Norway
[4] Univ South Eastern Norway, Fac Hlth & Social Sci, Ctr Hlth & Technol, Drammen, Norway
[5] Oslo Univ Hosp, Norwegian Natl Advisory Unit Learning & Mastery H, Oslo, Norway
[6] Univ Twente, Dept Psychol Hlth & Technol, Enschede, Netherlands
[7] Univ Florida, Dept Clin & Hlth Psychol, Gainesville, FL USA
[8] Univ Washington, Dept Anesthesiol & Pain Med, Sch Med, Seattle, WA USA
[9] Mayo Clin, Dept Psychiat & Psychol, Coll Med & Sci, Rochester, MN 55905 USA
[10] Oslo Univ Hosp, Dept Pain Management & Res, Oslo, Norway
[11] Oslo Univ Hosp, Reg Advisory Unit Pain, Oslo, Norway