[1] Karolinska Univ Hosp, Dept Women & Child Hlth, Childhood Canc Res Unit, Stockholm, Sweden
[2] Karolinska Inst, Inst Environm Med, Div Biochem Toxicol, SE-17177 Stockholm, Sweden
[3] Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden
[4] Karolinska Univ Hosp, Karolinska Lab, Dept Mol Med & Surg, Div Clin Chem, Stockholm, Sweden
[5] Karolinska Univ Hosp, Dept Mol Med & Surg, Clin Genet Unit, Stockholm, Sweden
[6] Karolinska Univ Hosp, Dept Med, Stockholm, Sweden
[7] Karolinska Inst, Inst Environm Med, Div Biochem Toxicol, Stockholm, Sweden