Bronchial Diseases

• Respiratory and Allergy Research Unit, Department of Internal Medicine, Bispebjerg Hospital, University Hospital of Copenhagen — Copenhagen, Denmark

• Goethe University, Department of Pulmonology — Frankfurt am Main, Hesse, Germany

• Goethe University, Department of Pulmonology — Frankfurt am Main, Hesse, Germany

• Loma Linda University Medical Center — Loma Linda, California, United States
• Pediatric Medical Center for Northern California — Oakland, California, United States
• Nemour's Children's Clinic — Jacksonville, Florida, United States
• University of Miami — Miami, Florida, United States

• AAADRS Clinical Research Center — Coral Gables, Florida, United States

• National University Hospital (NUH) — Singapore

• Cardiopulmonary and exercise physiology laboratory, The Hong Kong Polytechnic University — Hong Kong

• Belfast City Hospital — Belfast, Northern Ireland, United Kingdom

Not specified

• Baqiyatallah Medical Sciences University — Tehran, Tehran Province, Iran