[1] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
[2] Karolinska Inst, Clin Epidemiol Unit, Dept Med Solna, Stockholm, Sweden
[3] Karolinska Univ Hosp, Clin Pharmacol, Stockholm, Sweden
[4] McMaster Univ, Dept Med & Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[5] Leiden Univ, Med Ctr, Dept Clin Epidemiol, Leiden, Netherlands
[6] Leiden Univ, Med Ctr, Dept Internal Med, Leiden, Netherlands
[7] Karolinska Univ, Hosp Huddinge, Dept Clin Sci Intervent & Technol, Stockholm, Sweden
[8] Univ Milano Bicocca, Dept Stat & Quantitat Methods, Milan, Italy