Cough

• Anhui Provincial Children's Hospital — Hefei, Anhui, China
• Jiangjin District Central Hospital of Chongqing — Chongqing, Chongqing Municipality, China
• The First Affiliated Hospital of Guangzhou University of Chinese Medicine — Guangzhou, Guangdong, China
• Zunyi First People's Hospital — Zunyi, Guizhou, China

Not specified

• GSK Investigational Site — Jasper, Alabama, United States
• GSK Investigational Site — Litchfield Park, Arizona, United States
• GSK Investigational Site — Scottsdale, Arizona, United States
• GSK Investigational Site — Little Rock, Arkansas, United States

• Lindus Health Limited — New York, United States

• Velia Medika Primary Care Clinic — Jakarta, Jakarta Special Capital Region, Indonesia

• The First Affiliated Hospital of Guangzhou Medical University — Guangzhou, Guangdong, China

• GSK Investigational Site — Miami, Florida, United States
• GSK Investigational Site — Orlando, Florida, United States
• GSK Investigational Site — San Antonio, Texas, United States

• Clinica Universidad de Navarra — Pamplona, Navarre, Spain

• University of Southern California — Los Angeles, California, United States
• University of California — San Francisco, California, United States
• National Jewish Health — Denver, Colorado, United States
• Loyola University Chicago — Maywood, Illinois, United States

• Medical University of South Carolina — Charleston, South Carolina, United States