Appendicitis

• Hospital Infantil Albert Sabin — Fortaleza, Ceará, Brazil

• University of California, San Diego — San Diego, California, United States

• Emergency department of university hospital Fattouma Bourguiba of Monastir — Monastir, Tunisia

Not specified

• Duke Center for Metabolic and Weight Loss Surgery — Durham, North Carolina, United States

• Kuopio University Hospital — Kuopio, Northern Savonia, Finland

• Marina del Rey Hospital — Marina del Rey, California, United States
• St. Luke's University Hospital — Bethlehem, Pennsylvania, United States
• Vivantes Humboldt-Klinikum — Berlin, Germany
• DRK Krankenhaus Clementinen — Hanover, Germany

• Department of anaesthesiology, Bispebjerg Hospital — Copenhagen, Denmark

• Texas Children's Hospital — Houston, Texas, United States

Not specified