[1] Univ Pittsburgh Med Ctr UPMC, Hillman Canc Ctr, Pittsburgh, PA USA
[2] Fox Chase Canc Ctr, 7701 Burholme Ave, Philadelphia, PA 19111 USA
[3] Emory Univ, Sch Med, Winship Canc Inst, Div Med Oncol, Atlanta, GA USA
[4] Chinese Univ Hong Kong, Dept Clin Oncol, State Lab Translat Oncol, Hong Kong, Peoples R China
[5] Lausanne Univ, Dept Oncol, Ctr Hosp Univ Vaudois, Lausanne, Switzerland