Chronic Cough

• St. Joseph's Healthcare Hamilton — Hamilton, Ontario, Canada
• West Park Healthcare Centre — Toronto, Ontario, Canada

• Royal Brompton & Harefield NHS Trust, — London, United Kingdom
• Royal Brompton Hospital — London, United Kingdom

• Nagoya City University — Nagoya, Aichi-ken, Japan
• Nagoya City University Hospital — Nagoya, Aichi-ken, Japan

• University of Montana — Missoula, Montana, United States

• Respiratory Clinical Trials Centre, University of Calgary — Calgary, Alberta, Canada
• Respiratory Research Lab, McMaster University — Hamilton, Ontario, Canada
• St Joseph's Health Care London — London, Ontario, Canada
• Institut universitaire de cardiologie et de pneumologie de Quebec - University Laval — Québec, Quebec, Canada

• Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China

• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States

Not specified

• University Hospital Ostrava — Ostrava, Moravian-Silesian Region, Czechia

• Shanghai Children's Medical Center — Shanghai, China