Intraabdominal Infections

• The First Affiliated Hospital of Bengbu Medical — Bengbu, Anhui, China
• The First Affiliated Hospital of Bengbu Medical College — Bengbu, Anhui, China
• Chizhou People's Hospital — Chizhou, Anhui, China
• Fuyang People's Hospital — Fuyang, Anhui, China

• V.P. Demikhov City Clinical Hospital No. 68 — Moscow, Russia
• N.I. Pirogov City Clinical Hospital No. 1 — Moscow, Russia
• N.V. Sklifosovsky Moscow Research Institute of Emergency — Moscow, Russia
• S.S. Yudin City Clinical Hospital — Moscow, Russia

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

• Hippocration General Hospital — Athens, Greece

• Budgetary Healthcare Institution of Arkhangelsk Region "Severodvinsk City Clinical Emergency Hospital # 2" — Severodvinsk, Arkhangelskaya oblast, Russia

• Alaska Native Medical Center — Anchorage, Alaska, United States
• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• University of California at San Diego Medical Center — La Jolla, California, United States
• Axis Clinical Trials — Los Angeles, California, United States

Not specified

• University of Alabama — Birmingham, Alabama, United States
• Children's Hospital of Oakland — Oakland, California, United States
• Children's Hospital of Orange County — Orange, California, United States
• University of California Medical Center — San Diego, California, United States

• CHR Mercy — Metz, Lorraine, France
• PILI-FLOURY Sebastien — Besançon, France
• BOUHEMAD Belaid — Dijon, France
• POTTECHER Julien — Strasbourg, France

• Nanjing Drum Tower Hospital — Nanjing, Jiangsu, China