| Phoenix Children's Hospital |
| Phoenix, Arizona, United States, 85006 |
| Children's Hospital Los Angeles |
| Los Angeles, California, United States, 90027 |
| Los Angeles County Medical Center/USC |
| Los Angeles, California, United States, 90033 |
| Harbor-UCLA Medical Center |
| Torrance, California, United States, 90509 |
| UCLA Medical Center (Pediatric) |
| Los Angeles, California, United States, 90095-1752 |
| University of California, San Francisco |
| San Francisco, California, United States, 94143-0105 |
| Long Beach Memorial (Pediatric) |
| Long Beach, California, United States, 90801 |
| Children's Hospital (U. Colorado, Denver) |
| Denver, Colorado, United States, 80218-1088 |
| Howard University Hospital |
| Washington, District of Columbia, United States, 20060 |
| University of South Florida |
| St Petersburg, Florida, United States, 33701 |
| University of Florida - Health Science Center |
| Jacksonville, Florida, United States, 32209 |
| University of Miami (Pediatric) |
| Miami, Florida, United States, 33136 |
| North Broward Hospital District |
| Fort Lauderdale, Florida, United States, 33316 |
| Cook County Hospital |
| Chicago, Illinois, United States, 60612 |
| Chicago Children's Memorial Hospital (Pediatric) |
| Chicago, Illinois, United States, 60614 |
| The University of Chicago Children's Hospital |
| Chicago, Illinois, United States, 60612 |
| Tulane University, Charity Hospital of New Orleans |
| New Orleans, Louisiana, United States, 70112-2699 |
| Children's Hospital of New Orleans |
| New Orleans, Louisiana, United States, 70112-2699 |
| Johns Hopkins University (Pediatric) |
| Baltimore, Maryland, United States |
| Children's Hospital of Boston |
| Boston, Massachusetts, United States, 02115 |
| University of Massachusetts Medical School |
| Worcester, Massachusetts, United States, 01655-0001 |
| Baystate Medical Center, Springfield |
| Springfield, Massachusetts, United States, 01199 |
| Children's Hospital of Michigan |
| Detroit, Michigan, United States, 48201 |
| St. Louis Children's Hospital |
| St. Louis, Missouri, United States, 63110 |
| Univ. of Med. & Dentistry of NJ/Univ. Hospital |
| Newark, New Jersey, United States, 07101-1709 |
| State University of New York at Stony Brook |
| Stony Brook, New York, United States, 11794-8111 |
| Mt. Sinai Medical Center |
| New York, New York, United States, 10029 |
| Bronx Lebanon Hospital Center |
| Bronx, New York, United States, 10457 |
| Harlem Hospital |
| New York, New York, United States, 10037 |
| Duke University (Pediatric) |
| Durham, North Carolina, United States, 27705 |
| Children's Hospital of Philadelphia |
| Philadelphia, Pennsylvania, United States, 19104-4318 |
| St. Christopher's Hosp. for Children, Philadelphia |
| Philadelphia, Pennsylvania, United States, 19134 |
| St. Jude Children's Research Hospital, Memphis |
| Memphis, Tennessee, United States, 38105-2794 |
| Children's Medical Center of Dallas |
| Dallas, Texas, United States, 75235 |
| Baylor (Texas Children's Hospital) (Pediatric) |
| Houston, Texas, United States, 77030 |
| Univ. of Puerto Rico, U. Children's Hospital AIDS |
| San Juan, Puerto Rico, 00936-5067 |
| San Juan City Hospital |
| San Juan, Puerto Rico |