[1] Karolinska Univ Hosp, Dept Orthopaed, Stockholm, Sweden
[2] Karolinska Inst, Dept Learning Informat Management & Eth, Stockholm, Sweden
[3] Karolinska Univ Hosp, Clin Skills & Simulat Ctr, Stockholm, Sweden
[4] Univ Kingston, Ctr Res Hlth & Social Care, London, England
[5] St Georges Univ London, London, England
[6] Univ Ottawa, Dept Innovat Med Educ, Off Continuing Profess Dev, Ottawa, ON, Canada
[7] Karolinska Inst, Dept Clin Sci & Educ, Sodersjukhuset, Sjukhusbacken 10, S-11883 Stockholm, Sweden