Chronic Obstructive Pulmonary Disease

• Shanghai Qigong Research Institute — Shanghai, Shanghai Municipality, China
• Changzheng Community Health Service Center of Putuo District, Shanghai — Shanghai, Shanghai Municipality, China

• Pneumology Department - Hôpital Cochin — Paris, France

• Shanghai Ninth People's Hospital Affiliated to Shanghai Jiaotong University — Shanghai, Shanghai Municipality, China

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Northwestern Memorial Hospital — Chicago, Illinois, United States
• University of Iowa — Iowa City, Iowa, United States
• Johns Hopkins University — Baltimore, Maryland, United States

• An Hui Chest Hospital — Hefei, Anhui, China
• China-Japan Friendship Hospital — Beijing, Beijing Municipality, China
• Peking University First Hospital — Beijing, Beijing Municipality, China
• Peolpe's Hospital Of Chongqing Banan District — Chongqing, Chongqing Municipality, China

• Copenhagen University Hospital Amager — Copenhagen, Greater Copenhagen, Denmark
• Copenhagen University Hospital Bispebjerg-Frederiksberg — Copenhagen, Greater Copenhagen, Denmark
• Copenhagen University Hospital Herlve-Gentofte — Gentofte Municipality, Greater Copenhagen, Denmark
• Copenhagen University Hospital Nordsjaelland — Hillerød, Greater Copenhagen, Denmark

Not specified

• The First People's Hospital of Chuzhou — Chuzhou, Anhui, China
• The second hospital of ANHUI medical university — Hefei, Anhui, China
• Huainan Dongfang Hospital Group General Hospital — Huainan, Anhui, China
• Capital Medical University Beijing Chaoyang Hospital — Beijing, Beijing Municipality, China

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Mayo Clinic Arizona — Scottsdale, Arizona, United States
• University of California at Los Angeles — Los Angeles, California, United States
• University of California at San Francisco — San Francisco, California, United States

• Penn State Health Milton S. Hershey Medical Center — Hershey, Pennsylvania, United States