Clinical knowledge extraction via sparse embedding regression (KESER) with multi-center large scale electronic health record data oleh Chuan Hong, Everett Rush, Molei Liu, Doudou Zhou, Jiehuan Sun, Aaron Sonabend, Victor M. Castro, Petra Schubert, Vidul A. Panickan, Tianrun Cai, Lauren Costa, Zeling He, Nicholas Link, Ronald Hauser, J. Michael Gaziano, Shawn N. Murphy, George Ostrouchov, Yuk-Lam Ho, Edmon Begoli, Junwei Lu, Kelly Cho, Katherine P. Liao, Tianxi Cai, VA Million Veteran Program