Med College of Georgia, Augusta, Georgia, United States
UCLA Med Ctr, Los Angeles, California, United States
Veterans Administration Med Ctr, Martinez, California, United States
Vanderbilt Univ Hosp, Nashville, Tennessee, United States
St Louis Univ School of Medicine, St Louis, Missouri, United States
Univ of Rochester Med Ctr, Rochester, New York, United States
Harbor - UCLA Med Ctr / UCLA School of Medicine, Los Angeles, California, United States
State Univ of New York at Stony Brook, Stony Brook, New York, United States
Children's Hosp of Philadelphia, Philadelphia, Pennsylvania, United States
JHU AVEG, Baltimore, Maryland, United States
Vanderbilt Univ. Hosp. AVEG, Nashville, Tennessee, United States
UAB AVEG, Birmingham, Alabama, United States
Northwestern Univ Med School, Chicago, Illinois, United States
Louis A Weiss Memorial Hosp, Chicago, Illinois, United States
Rush Presbyterian - Saint Luke's Med Ctr, Chicago, Illinois, United States
Harbor-UCLA Med. Ctr. CRS, Torrance, California, United States
Cook County Hosp. CORE Ctr., Chicago, Illinois, United States
Rush Univ. Med. Ctr. ACTG CRS, Chicago, Illinois, United States
Usc La Nichd Crs, Los Angeles, California, United States
The Children's Hosp. of Philadelphia IMPAACT CRS, Philadelphia, Pennsylvania, United States
St. Christopher's Hosp. for Children, Philadelphia, Pennsylvania, United States
Univ of Southern California / LA County USC Med Ctr, Los Angeles, California, United States
UCLA CARE Ctr, Los Angeles, California, United States
Emory Univ, Atlanta, Georgia, United States
St. Louis Univ. School of Medicine AVEG, Saint Louis, Missouri, United States
JHU AVEG, Pittsburgh, Pennsylvania, United States