Intra-abdominal Infection

• Anqing City Hospital — Anqing, Anhui, China
• Department of Hepatobiliary Surgery, Peking University People's Hospital — Xicheng District, Beijing Municipality, China
• Zhongshan Hospital Xiamen University — Xiamen, Fujian, China
• Zhangzhou Municipal Hospital of Fujian Province — Zhangzhou, Fujian, China

Not specified

• Department of Surgery, Jinling Hospital — Nanjing, Jiangsu, China

• Nambour, Queensland, Australia
• Cairns, Australia
• Parkville, Australia
• Shanghai, China

• Long Beach, California, United States
• Oakland, California, United States
• Orange, California, United States
• San Diego, California, United States

• S.Orsola-Malpighi University Hospital - University of Bologna — Bologna, Italy

• Kaohsiung Medical University Hospital, Department of Emergency Medicine/Surgery — Kaohsiung, Taiwan

Not specified

• Duke University Medical Center — Durham, North Carolina, United States