Hernia, Inguinal

• Gentofte Hospital — Hellerup, Capital Region, Denmark
• Herlev Hospital — Copenhagen, Denmark

• Gastrounit, Surgical Division, Hvidovre Hospital, Denmark — Copenhagen, Danmark, Denmark

• Tung Wah Hospital — Hong Kong

• De La Salle University Medical Center — Dasmariñas, Cavite, Philippines

• Mayo Clinic — Rochester, Minnesota, United States

• Helsinki University Central Hospital — Helsinki, Finland

• Department of Surgery, Herlev Hospital — Herlev, Denmark

Not specified

• AZ Maria Middelares — Ghent, Belgium

• Progressive Surgical Associates/Silver Cross Hospital — New Lenox, Illinois, United States
• Rochester General Hospital — Rochester, New York, United States