Heart Defects, Congenital

• Desert Good Samaritan Hospital — Mesa, Arizona, United States
• Banner Good Samaritan Hospital — Phoenix, Arizona, United States
• Phoenix Perinatal Associates, Phoenix Arizona Clinic — Phoenix, Arizona, United States
• Obstetric Perinatal Clinic Tucson (WOMB) — Tucson, Arizona, United States

• Zekai Tahir Burak Maternity Teaching Hospital — Ankara, Turkey (Türkiye)

• Shaare Zedek Medical Center — Jerusalem, Israel

• Cardio-Vascular Centre, Sankt Kathrinen — Frankfurt, Germany

• USIC CHU de Caen — Caen, France

• Faculty Hospital Olomouc, Children's Clinic, Endocrinology Outpatient Department, I.P.Pavlova str. 6, — Olomouc, Czechia
• Faculty Hospital Kralovske Vinohrady, Children's Clinic, Vinohradska str. 159 — Prague, Czechia
• Masaryk Hospital Usti nad Labem, Children's Clinic, Building D2, Endocrinology Outpatient Department, Socialni pece 12a — Ústí nad Labem, Czechia
• Centre d'Endocrinologie Pediatrique, 25 rue Boudet — Bordeaux, France

• BC Women's Hospital — Vancouver, British Columbia, Canada

• Wales Heart Research Institute, Cardiff University — Cardiff, United Kingdom

Not specified

• Careggi University Hospital, Division of Neonatology — Florence, Italy