Liverpool Hospital, Sydney, Australia
George Washington University, Washington, District of Columbia, United States
New York City Bureau of TB Control, New York, New York, United States
Wake Forest University Health Sciences, Winston-Salem, North Carolina, United States
Fort Greene Chest Center, Brooklyn, New York, United States
Morrisania Chest Center, Bronx, New York, United States
Corona Chest Center, Jackson Heights, New York, United States
International Center for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
Mirpur clinic (International Center for Diarrhoeal Disease Research, Bangladesh), Dhaka, Bangladesh
Icddr,B, Chฤndpur, Bangladesh
Tshuapa site, Boende, Tshuapa, Congo, The Democratic Republic of the
International Center for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
National Health and Nutrition Examination Survey, Hyattsville, Maryland, United States
Connecticut Department of Public Health, Hartford, Connecticut, United States
Massachusetts Department of Public Health, Boston, Massachusetts, United States
Philadelphia Department of Health, Philadelphia, Pennsylvania, United States