AMGEN INC.; BREGMAN, Howard; BUCHANAN, John, L.; CHAKKA, Nagasree; DIMAURO, Erin, F.; DU, Bingfan; NGUYEN, Hanh, Nho; ZHENG, Xiao, Mei Patent: WO2011/103196 A1, 2011 ; Location in patent: Page/Page column 76 ; WO 2011/103196 A1