Down Syndrome

• Tucson, Arizona, United States
• Durham, North Carolina, United States
• Ciudad Autonoma de Bs As, Argentina
• Ciudad de Buenos Aires, Argentina

• Northwestern Memorial Faculty Foundation (NMFF) — Chicago, Illinois, United States
• Northwestern Memorial Hospital (NMH) — Chicago, Illinois, United States

• Odense University Hospital, Department of Gynaecology and Obstetrics — Odense, Region Syddanmark, Denmark

• Tucson Medical Center — Tucson, Arizona, United States
• East Bay Perinatal Associates — Oakland, California, United States
• Stanford University — Palo Alto, California, United States
• Perinatal Diagnostic Center — Riverside, California, United States

• Sun City, Arizona, United States
• New Haven, Connecticut, United States

• Southbend, Indiana, United States
• Ann Arbor, Michigan, United States
• Grand Rapids, Michigan, United States

• University of Puget Sound — Tacoma, Washington, United States

• West Coast OB/GYN — San Diego, California, United States
• AD Williams Laboratory — Atlanta, Georgia, United States
• Prentice Women's Hospital — Chicago, Illinois, United States
• William Beaumont Hospital — Royal Oak, Michigan, United States

• Natera, Inc — Redwood City, California, United States

Not specified