Asthma

• Long Beach, California, United States
• Denver, Colorado, United States
• Englewood, Colorado, United States
• Russells Mills, Massachusetts, United States

• Adolescent & Pediatric Associates, PC — Montgomery, Alabama, United States
• The Children's Clinic of Jonesboro, PA — Jonesboro, Arkansas, United States
• Integrated Research Group — Corona, California, United States
• Allergy & Asthma Specialists Medical Group — Huntington Beach, California, United States

• Children's Hospital of Wisconsin — Milwaukee, Wisconsin, United States

• Southampton University General Hospital — Southampton, Hampshire, United Kingdom

Not specified

• Regional Respiratory Centre, Belfast City Hospital — Belfast, United Kingdom

• Lasnamäe Medicum — Tallinn, Estonia
• Children's Clinic of Tartu, Allergy Centre — Tartu, Estonia
• Tartu University Hospital, Lung Clinic — Tartu, Estonia
• Jorvi Hospital HUS — Espoo, Finland

Not specified

• The Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Research Site — Guangzhou, Guangdong, China
• Research Site — Zheng Ahou, Henan, China
• Research Site — Wuhan, Hubei, China
• Research Site — Changsha, Hunan, China