AMGEN INC.; BISWAS, Kaustav; BROWN, James; CHEN, Jian, J.; GORE, Vijay, Keshav; HARRIED, Scott; HORNE, Daniel, B.; KALLER, Matthew, R.; LIU, Qingyian; MA, Vu, Van; MONENSCHEIN, Holger; NGUYEN, Thomas, T.; YUAN, Chester, Chenguang; ZHONG, Wenge; ST. JEAN, David, J., Jr. Patent: WO2012/177893 A2, 2012 ; WO 2012/177893 A2