[1] Montefiore Med Ctr, Albert Einstein Coll Med, Div Gen Internal Med, 3300 Kossuth Ave, Bronx, NY 10467 USA
[2] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Policy & Management, Baltimore, MD USA
[3] Boston Med Ctr, Sect Gen Internal Med, Boston, MA USA
[4] Univ Alabama Birmingham, Div Infect Dis, Birmingham, AL USA
[5] Lewin Grp, Falls Church, VA USA
[6] Emergency Phys Integrated Care, Salt Lake City, UT USA
[7] Univ Penn, Leonard Davis Inst Hlth Econ, Philadelphia, PA 19104 USA
[8] Montefiore Med Ctr, Albert Einstein Coll Med, Dept Anesthesia, Bronx, NY 10467 USA
[9] Weill Cornell Med Coll, Dept Healthcare Policy & Res, New York, NY USA