[1] University of Maryland School of Public Health,Maryland Institute for Applied Environmental Health
[2] College Park,Department of Epidemiology and Biostatistics
[3] School of Public Health Building (255),New Mexico Emerging Infections Program
[4] University of Maryland School of Public Health,undefined
[5] Prevention and Health Promotion Administration,undefined
[6] Maryland Department of Health and Mental Hygiene,undefined
[7] Emerging Infections Program,undefined
[8] Disease Control and Environmental Epidemiology Division,undefined
[9] Colorado Department of Public Health and Environment,undefined
[10] Communicable and Environmental Disease Surveillance,undefined
[11] Tennessee Department of Health,undefined
[12] California Emerging Infections Program,undefined
[13] Acute Disease Epidemiology Section,undefined
[14] Georgia Department of Public Health,undefined
[15] Office of Infectious Disease,undefined
[16] National Center for Emerging and Zoonotic Infectious Diseases,undefined
[17] Centers for Disease Control and Prevention,undefined
[18] New York State Department of Health,undefined
[19] University of New Mexico,undefined