Appendicitis

• Policlinico San Pietro — Ponte San Pietro, BG, Italy
• Ospedale Manzoni — Lecco, LC, Italy
• ASST Monza — Monza, MB, Italy
• Ospedale San Raffaele — Milan, Mi, Italy

• Turku University Hospital — Turku, Finland

• Addenbrooke's University Hospital — Cambridge, Cambridgeshire, United Kingdom

• University Hospital Ostrava — Ostrava, Moravian-Silesian Region, Czechia

Not specified

• Kyung Hee University School of Medicine, Neo Medical Center — Seoul, South Korea

• Tanta University — Tanta, Gharbia Governorate, Egypt

• Ankara Medical Park Hastanesi — Ankara, Turkey (Türkiye)

• Faculty of medicine, zagazig university — Zagazig, Elsharqya, Egypt

• Hadassah Medical Center — Jerusalem, Israel
• Hadassah Medical Organization — Jerusalem, Israel