[1] Karolinska Inst, IMM, Div Cardiovasc Epidemiol, Stockholm, Sweden
[2] Ersta Hosp, Dept Med, Stockholm, Sweden
[3] Karolinska Inst, Dept Learning Informat Management & Eth, Stockholm, Sweden
[4] Karolinska Inst, Heart Res Unit, Karolinska Univ Hosp, Stockholm, Sweden
[5] Linkoping Univ Hosp, Div Cardiovasc Med, S-58185 Linkoping, Sweden
[6] Karolinska Inst, Danderyd Hosp, Dept Clin Sci, Stockholm, Sweden