Bwaila District Hospital Antenatal Unit, Lilongwe, Central District, Malawi
University of North Carolina School of Dentistry, Chapel Hill, North Carolina, United States
University of North Carolina, SHARRP Lab, Chapel Hill, North Carolina, United States
University of North Carolina Chapel Hill, Chapel Hill, North Carolina, United States
UNC Center for Environmental Medicine, Asthma and Lung Biology, Chapel Hill, North Carolina, United States
Arizona Department of Health Services, Phoenix, Arizona, United States
New York State Department of Health, Albany, New York, United States
Wisconsin Department of Health Services, Madison, Wisconsin, United States
University of Alabama at Birmingham Department of Ostetrics and Gynecology, Birmingham, Alabama, United States
Department of Periodontology, UNC School of Dentistry, Chapel Hill, North Carolina, United States
University of Texas Health Science Center, San Antonio, Texas, United States
UNC at Chapel Hill, Chapel Hill, North Carolina, United States
Fetzer Hall, Chapel Hill, North Carolina, United States
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States