[1] Univ Penn, Perelman Sch Med, Dept Psychiat, Philadelphia, PA 19104 USA
[2] Univ Penn, Perelman Sch Med, Dept Hlth Care Management, Philadelphia, PA 19104 USA
[3] Univ Penn, Wharton Sch, Philadelphia, PA 19104 USA
[4] Univ Pittsburgh, Sch Publ Hlth, Dept Hlth Policy & Management, Pittsburgh, PA 15260 USA
[5] Univ Penn, Sch Social Policy & Practice, Philadelphia, PA 19104 USA