[1] Fudan Univ, Dept Med Oncol, Shanghai Canc Ctr, Shanghai 200032, Peoples R China
[2] Fudan Univ, Shanghai Med Coll, Dept Oncol, Shanghai 200032, Peoples R China
[3] Roche Prod Dev Asia Pacific, 5F,Tower C,Parkview Green 9,Dongdaqiao Rd, Beijing 100020, Peoples R China
[4] Hutchison MediPharma Ltd, Bldg 4 917 Halei Rd Zhangjiang Hitech Pk, Shanghai 201203, Peoples R China