[1] Rutgers Robert Wood Johnson Med Sch, Dept Pediat, 112 Paterson St, New Brunswick, NJ 08901 USA
[2] Rutgers Ctr Pharmacoepidemiol & Treatment Sci, Hlth Care Policy & Aging Res, New Brunswick, NJ USA
[3] Rutgers Sch Publ Hlth, Dept Biostat & Epidemiol, Piscataway, NJ USA
[4] Rutgers State Univ, Ernest Mario Sch Pharm, Dept Pharm Practice & Adm, Piscataway, NJ USA
[5] Rutgers Biomed & Hlth Sci, Newark, NJ USA
[6] Univ Penn, Dept Biostat & Epidemiol, Perelman Sch Med, Philadelphia, PA 19104 USA