1. Department of Epidemiology, School of Public Health, West Virginia University, Morgantown2Injury Control Research Center, West Virginia University, Morgantown
2. Department of Biostatistics, School of Public Health, West Virginia University, Morgantown
3. Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, New York5School of Nursing, Columbia University, New York, New York
4. Department of Surgery, School of Medicine, University of Auckland, Auckland, New Zealand
5. Centre for Population Health Research, Curtin University, Perth, Australia8Pacific Institute for Research and Evaluation, Calverton, Maryland
6. Department of Emergency Medicine, New York University School of Medicine, New York
7. Office of the Medical Investigator, Department of Pathology, University of New Mexico School of Medicine, Albuquerque
8. Injury Control Research Center, West Virginia University, Morgantown
9. Department of Epidemiology and Public Health, University of Maryland, Baltimore
10. Department of Psychiatry, University of Rochester Medical Center, Rochester, New York13Injury Control Research Center for Suicide Prevention, University of Rochester Medical Center, Rochester, New York