[1] German Canc Res Ctr, Heidelberg, Germany
[2] Karolinska Inst, S-10401 Stockholm, Sweden
[3] Univ Helsinki, Cent Hosp, FIN-00014 Helsinki, Finland
[4] Genome Inst Singapore, Singapore, Singapore
[5] Univ Med Ctr Hamburg Eppendorf, Univ Canc Ctr Hamburg, Hamburg, Germany