[1] Univ Penn, Perelman Sch Med, Dept Psychiat, 3535 Market St,3rd Floor, Philadelphia, PA 19104 USA
[2] Henry Ford Hlth Syst, Ctr Hlth Policy & Hlth Serv Res & Behav Hlth Serv, One Ford Pl,Suite 3A, Detroit, MI 48202 USA
[3] Univ Massachusetts Amherst, Sch Publ Hlth, 317 Arnold House, Amherst, MA 01003 USA
[4] Cent Texas Vet Hlth Care Syst, Dept Res, 1901 Ist St, Temple, TX 76502 USA
[5] Univ Penn, Childrens Hosp Philadelphia, Dept Pediat, Div Emergency Med,Perelman Sch Med, 3400 Civ Ctr Blvd, Philadelphia, PA 19104 USA
[6] Univ Penn, Perelman Sch Med, Dept Med Eth & Hlth Policy, Philadelphia, PA 19104 USA
[7] Univ Penn, Penn Implementat Sci Ctr, Leonard Davis Inst Hlth Econ PISCE LDI, Philadelphia, PA 19104 USA