Site Reference ID/Investigator# 138926, Plovdiv, Bulgaria
Site Reference ID/Investigator# 139000, Bialystok, Poland
Site Reference ID/Investigator# 138928, Sofia, Bulgaria
Rhode Island Hospital /ID# 133493, Providence, Rhode Island, United States
Univ Maryland School Medicine /ID# 132944, Baltimore, Maryland, United States
Dana-Farber Cancer Institute /ID# 133494, Boston, Massachusetts, United States
City of Hope /ID# 154053, Duarte, California, United States
UC Davis Comp Cancer Ctr /ID# 154644, Sacramento, California, United States
Indiana Univ School Medicine /ID# 132946, Indianapolis, Indiana, United States
Gertrudis-Klinik /ID# 144631, Leun-biskirchen, Germany
Klinikum Altenburger Land /ID# 139643, Altenburg, Germany
Klinik Haag /ID# 137458, Haag, Germany
Massachusetts General Hospital, Boston, Massachusetts, United States
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
Fundacion Jimenez Diaz, Madrid, Spain