THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK; SAMES, Dalibor; LI, Xiaoguang; LI, Shu; KRUEGEL, Andrew; KARPOWICZ, Richard; CARRERA, Ignacio; RAKSHIT, Souvik Patent: WO2013/28999 A1, 2013 ; Location in patent: Page/Page column 101; 102 ;