Obstetric Labor, Premature

• Georgetown University Children's Medical Center — Washington D.C., District of Columbia, United States
• The George Washington University Hospital — Washington D.C., District of Columbia, United States
• Tufts University Medical Center — Boston, Massachusetts, United States
• Beth Israel Deaconess Medical Center (BIDMC) — Boston, Massachusetts, United States

• Hospital das Clinicas — São Paulo, Brazil

• Children's Hospital University of Ulm — Ulm, Germany

• PHCC LP — Pueblo, Colorado, United States

• Seoul National University Hospital — Seoul, South Korea

• Children's Hospital & Research Center — Oakland, California, United States
• Advocate Lutheran Children's Hospital — Park Ridge, Illinois, United States
• University of Iowa — Iowa City, Iowa, United States
• Center for Human Nutrition — Omaha, Nebraska, United States

• CHU de Saint-Etienne — Saint-Etienne, France

Not specified

• Assistance Publique Hopitaux de Marseille — Marseille, France

• Bay Cove Early Intervention — Boston, Massachusetts, United States
• THOM Child and Family Services — Natick, Massachusetts, United States
• South Shore Mental Health Step One Early Intervention — Quincy, Massachusetts, United States
• Meeting Street — Providence, Rhode Island, United States