作者单位:Hematology, Amgen Inc, Thousand Oaks, CA, United States[1]HemOnc, Amgen Inc, Thousand Oaks, CA, United States[2]HTS-Molecular Pharmacology, Amgen Inc, Thousand Oaks, CA, United States[3]Molecular Sciences and Computational Biology, Amgen Inc, Thousand Oaks, CA, United States[4]