[1] Soder Sjukhuset, Karolinska Inst, Dept Clin Sci & Educ, SE-11883 Stockholm, Sweden
[2] Sophiahemmet Univ, Stockholm, Sweden
[3] Danderyd Hosp, Karolinska Inst, Dept Clin Sci, Div Med, Danderyd, Sweden
[4] Karolinska Inst, Dept Learning Informat Management & Eth, Stockholm, Sweden