1. Department of Cytogenetics; Laboratory Corporation of America/Dynacare; Seattle, Washington
2. Department of Cytogenetics; Laboratory Corporation of America, Center for Molecular Biology and Pathology; Research Triangle Park, North Carolina
3. Brookwood Maternal Fetal Medicine; Birmingham, Alabama
4. Medical Genetic Testing Laboratories; CytoGenX Corp.; Stony Brook, New York
5. Premiere Perinatal, LLC; Toms River, New Jersey