AMGEN INC.; ALLEN, Jennifer R.; CHEN, Jian J.; FROHN, Michael J.; HU, Essa; LIU, Qingyian; PICKRELL, Alexander J.; RUMFELT, Shannon; RZASA, Robert M.; ZHONG, Wenge Patent: WO2011/143365 A1, 2011 ; Location in patent: Page/Page column 185 ; WO 2011/143365 A1