Case Western Reserve Univ, Cleveland, Ohio, United States
Ohio State Univ Hosp Clinic, Columbus, Ohio, United States
Univ of Pennsylvania at Philadelphia, Philadelphia, Pennsylvania, United States
The Children's Hosp. of Philadelphia IMPAACT CRS, Philadelphia, Pennsylvania, United States
UCLA-Los Angeles/Brazil AIDS Consortium (LABAC) CRS, Los Angeles, California, United States
Bronx-Lebanon Hosp. IMPAACT CRS, Bronx, New York, United States
Northwestern Univ Med School, Chicago, Illinois, United States
Cook County Hosp, Chicago, Illinois, United States
Univ of Miami School of Medicine, Miami, Florida, United States
The Children's Hosp. of Philadelphia IMPAACT CRS, Philadelphia, Pennsylvania, United States
SUNY Upstate Med. Univ., Dept. of Peds., Syracuse, New York, United States
UMDNJ - Robert Wood Johnson, New Brunswick, New Jersey, United States
University of Washington AIDS CRS, Seattle, Washington, United States
Rush Univ. Cook County Hosp. Chicago NICHD CRS, Chicago, Illinois, United States
Children's Med. Ctr. Dallas, Dallas, Texas, United States
Univ. of California San Francisco NICHD CRS, San Francisco, California, United States
JHU AVEG, Pittsburgh, Pennsylvania, United States
St. Louis Univ. School of Medicine AVEG, Saint Louis, Missouri, United States
Univ. of Rochester AVEG, Rochester, New York, United States
Stanford CRS, Palo Alto, California, United States
Santa Clara Valley Med. Ctr., San Jose, California, United States
San Mateo County AIDS Program, San Mateo, California, United States
Case CRS, Cleveland, Ohio, United States
Ucsd, Avrc Crs, San Diego, California, United States
Univ. of Miami AIDS CRS, Miami, Florida, United States