Cholecystolithiasis

• Connolly Hospital Blanchardstown — Dublin, Dublin 15, Ireland
• General Surgery Dept, Minimally Invasive Surgery Unit, Policlinico San Pietro — Ponte San Pietro, Bergamo, Italy
• General Surgery Department, ASUITS, Cattinara Hospital — Trieste, Italy
• Centro Hospitalar Tondela Viseu - Serviço de Cirurgia Geral - Unidade de Cirurgia HBP — Viseu, Centro Region, Portugal

• Tallaght University Hospital — Dublin, Ireland

• Escuela Nacional de Medicina, Tecnologico de Monterrey — Monterrey, Nuevo León, Mexico

Not specified

• North Shore University Hospital — Manhasset, New York, United States
• LIJ Medical Center- NSLIJ Health System — New Hyde Park, New York, United States

• CHA Bundang Medical Center — Seongnam, Bundang-gu, South Korea
• Gangnam Severance Hospital — Seoul, Gangnam-gu, South Korea
• Dongtan Sacred Heart Hospital — Hwaseong-si, Gyeonggi-do, South Korea
• In Ha University Hospital — Incheon, Jung-gu, South Korea

• Services hospital — Lahore, Punjab Province, Pakistan

• Services hospital — Lahore, Punjab Province, Pakistan

• Thammasat University Hospital — Khlong Luang, Pathumtani, Thailand

• Department of General Surgery, Anhui Provincial Hospital Affiliated with Anhui Medical University — Hefei, Anhui, China