University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
UNC Health Care, Chapel Hill, North Carolina, United States
Cleveland Clinic, Cleveland, Ohio, United States
University of California San Diego: Airway Research & Clinical Trials Center, San Diego, California, United States
University of California San Francisco, San Francisco, California, United States
Chipata Health Centre, Lusaka, Zambia
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
University of North Carolina Children's Hospital, Chapel Hill, North Carolina, United States
University of North Carolina Hospitals, Chapel Hill, North Carolina, United States
University of North Carolina, Chapel Hill, North Carolina, United States
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
University of North Carolina CEMALB, Chapel Hill, North Carolina, United States