Respiratory Tract Infections

• Coastal Clinical Research — Mobile, Alabama, United States
• Clinical Research Consortium Arizona — Tempe, Arizona, United States
• Baptist Health Center for Clinical Research — Little Rock, Arkansas, United States
• Northern California Clinical Research Center — Redding, California, United States

• Lincolnshire West CCG — Lincoln, United Kingdom
• South Lincolnshire CCG — Lincoln, United Kingdom

• Harborview Medical Center — Seattle, Washington, United States

• Coastal Clinical Research — Mobile, Alabama, United States
• Avail Clinical Research — DeLand, Florida, United States
• Meridian Clinical Research — Savannah, Georgia, United States
• Meridian Clinical Research — Omaha, Nebraska, United States

Not specified

• Massachusetts General Hospital — Boston, Massachusetts, United States

• Penn State College of Medicine, Penn State Milton S. Hershey Medical Center — Hershey, Pennsylvania, United States

• Kyung Hee University Hospital — Seoul, Dongdaemun-gu, South Korea

• Group Health Research Institute — Seattle, Washington, United States
• VA Puget Sound Health Care System — Seattle, Washington, United States

• Group Health Research Institute — Seattle, Washington, United States