Appendectomy

• Ann & Robert H. Lurie Children's Hospital of Chicago — Chicago, Illinois, United States
• Northwestern University (Feinberg School of Medicine, Shirley Ryan AbilityLab) — Chicago, Illinois, United States
• Loyola University Medical Center — Maywood, Illinois, United States
• Northwestern Medicine Central DuPage Hospital — Winfield, Illinois, United States

• Ain Shams university hospitals — Cairo, Egypt

• ASST GOM Niguarda — Milan, Italy

• Ziauddin University — Karachi, Sindh, Pakistan

• Services Institute of Medical Sciences/ Services Hospital Lahore — Lahore, Punjab Province, Pakistan

• University of Abomey Calavi — Cotonou, Benin
• Tamale Teaching Hospital — Tamale, Ghana
• Christian Medical College and Hospital Ludhiana — Ludhiana, India
• Hospital Espanol Veracruz — Veraruz, Mexico

• Tanta University — Tanta, Egypt

• Kyabirwa Surgical Center — Jinja, Uganda
• Hope and Healing Center — Iganga, Uganda
• Lubaga Hospital — Kampala, Uganda
• Mengo Hospital — Kampala, Uganda

Not specified

• Kocaeli City Hospital — Kocaeli, İzmit, Turkey (Türkiye)