Hypertension, Pulmonary

• Peking University First Hospital — Beijing, Beijing Municipality, China
• Peking University First Hospital — Beijing, Beijing Municipality, China
• Peking Union Hospital, Peking Union Medical College — Beijing, Beijing Municipality, China
• Beijing Shijitan Hospital, Peking University — Beijing, Beijing Municipality, China

• Hospital clinic — Barcelona, Spain

• Faculty of Medicine, University of Alexandria — Alexandria, Alexandria Governorate, Egypt

• Universidad Peruana Cayetano Heredia — Lima, Peru

Not specified

Not specified

• University of Southern California — Los Angeles, California, United States
• University of California San Diego Medical Center — San Diego, California, United States
• University of California - San Francisco — San Francisco, California, United States
• Stanford University — Stanford, California, United States

• University of Cincinnati — Cincinnati, Ohio, United States

• Medizinische Hochschule Hannover — Hanover, Lower Saxony, Germany
• Herz-und Diabeteszentrum NRW — Bad Oeynhausen, North Rhine-Westphalia, Germany
• Deutsches Kinderherzzentrum — Sankt Augustin, North Rhine-Westphalia, Germany
• Universitätsklinikum des Saarlandes — Homburg, Saarland, Germany

• The First Hospital of Hebei Medical University — Shijiazhuang, Hebei, China