1. University of Washington; Department of Epidemiology, School of Public Health; P.O. Box 357236 Seattle WA USA 98195-7236
2. Washington State Institute for Public Policy; Epidemiology and Public Health; 110 Fifth Avenue SE, Suite 214 Seattle WA USA 98504
3. New Hampshire Department of Health and Human Services; New Hampshire Division of Public Health Services; Concord New Hampshire USA 03301-3852
4. University of Washington; Health Sciences Library; 1959 NE Pacific Street Seattle WA USA 98195-7155
5. Centers for Disease Control and Prevention; National Center for Chronic Disease Prevention and Health Promotion, Division of Community Health, Research Surveillance & Evaluation Branch; 4770 Buford Hwy NE, Mailstop K81 Atlanta Georgia USA 30341
6. Bill & Melinda Gates Foundation; Epidemiology and Surveillance Division; Seattle WA USA