Hypoxia

• University Hospital, London Health Sciences Centre, University of Western Ontario — London, Ontario, Canada
• Victoria Hospital, London Health Sciences Centre, University of Western Ontario — London, Ontario, Canada

• Cork University Maternity Hospital — Cork, Ireland
• Karolinska University Hospital — Stockholm, Sweden

• University of Florida — Gainesville, Florida, United States

• The Children's Hospital of Alabama — Birmingham, Alabama, United States
• Phoenix Children's Hospital — Phoenix, Arizona, United States
• Loma Linda University Children's Hospital — Loma Linda, California, United States
• Children's Hospital of Los Angeles — Los Angeles, California, United States

• University Children's hospital Zurich — Zurich, Switzerland

• Johns Hopkins Hospital — Baltimore, Maryland, United States

• Osijek Hospital University — Osijek, County of Osijek-Baranja, Croatia

• Assistance Publique Hopitaux de Paris Pitie Salpetriere — Paris, France

Not specified

• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States