... 1Pharmaceutical Health Services Research, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA, 2Department of Psychiatry, School of Medicine, University of Maryland, Baltimore, ... Maryland, USA, 3Departments of Psychiatry and Pediatrics, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA, 4Department of Social Pharmacy, Pharmacoepidemiology & Pharmacotherapy, ... provided data and participated in the design and analysis of the study. JFG and SCV pro-vided computerized data management and statisticalanalysis. JMZ and DJS drafted the manuscript. JMF andLTWJ...