[1] Weill Cornell Med Coll, Dept Healthcare Policy & Res, 402 East 67th St, New York, NY 10065 USA
[2] Weill Cornell Med Coll, Ctr Healthcare Informat & Policy, New York, NY USA
[3] Indiana Univ, Richard M Fairbanks Sch Publ Hlth, Indianapolis, IN 46204 USA
[4] Weill Cornell Med Coll, Dept Pediat, New York, NY USA
[5] New York Presbyterian Hosp, New York, NY USA
[6] Weill Cornell Med Coll, Dept Med, New York, NY USA