Sudden Infant Death

• Children's Hospital Oakland — Oakland, California, United States
• Children's Hospital of Orange County — Orange, California, United States
• Emory University — Decatur, Georgia, United States
• ZKJM MC University of Mainz — Mainz, Germany

• Harriet Lane Clinic — Baltimore, Maryland, United States

• Washington Hospital Center — Washington D.C., District of Columbia, United States

• GSK Investigational Site — Tuscaloosa, Alabama, United States
• GSK Investigational Site — Bentonville, Arkansas, United States
• GSK Investigational Site — Orange, California, United States
• GSK Investigational Site — Woburn, Massachusetts, United States

Not specified

• Child Health Evaluation and Research Unit, University of Michigan — Ann Arbor, Michigan, United States

• KU Wichita Pediatrics — Wichita, Kansas, United States

• Academic Medical Centre — Amsterdam, North Holland, Netherlands
• Centre for Population Health Sciences, The University of Edinburgh — Edinburgh, Midlothian, United Kingdom

• University of Edinburgh — Edinburgh, Midlothian, United Kingdom

• Great Ormond Street Hospital — London, United Kingdom
• University College Hospital — London, United Kingdom