[1] Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden
[2] Karolinska Univ Hosp, Dept Reprod Med, Stockholm, Sweden
[3] Karolinska Inst, Dept Med Solna, Ctr Pharmacoepidemiol, Stockholm, Sweden
[4] Karolinska Inst, Div Biostat, Inst Environm Med, Stockholm, Sweden
[5] Karolinska Inst, CTMR, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden
[6] Univ Antwerp, Global Hlth Inst, Antwerp, Belgium