Postoperative Nausea and Vomiting

• UCSF Medical Center at Mt Zion — San Francisco, California, United States
• Duke University Medical Center — Durham, North Carolina, United States
• Memorial Hermann-Memorial City Hospital — Houston, Texas, United States
• University Hospital — Besançon, France

Not specified

• Hvidovre University Hospital — Copenhagen, Hvidovre, Denmark

• Breast Clinic. Oncologic Institute of Jalisco — Guadalajara, Jalisco, Mexico
• Research Unit in Clinical Epidemiology, Specialties Hospital. Mexican Institute of Sociaql Security — Guadalajara, Jalisco, Mexico

• Mulago National Refferal Hospital — Kampala, Uganda

• Department of Anesthesiology, National Taiwan University Hospital — Taipei, Taiwan

• Department of Surgery and Department od Anesthesiology. Specialties Hospital. Westerm Medical Center, Mexican Institute of Social Security. — Guadalajara, Jalisco, Mexico

• Perioperative Clinical Research Core, University of California — San Francisco, California, United States

• Lovisenberg Diaconale Hospital — Oslo, Norway

• University of Messina — Messina, ME, Italy
• University and Hospital of Parma (Azienda Ospedaliero-Universitaria di Parma) — Parma, PR, Italy