Department of High Altitude Disease;
College of High Altitude Military Medicine;
Third Military Medical University;
Chongqing;
China;
Key Laboratory of High Altitude Medicine of Ministry of Education and Key Laboratory of High Altitude Medicine of PLA;
Chongqing;
China;
Department of Respiratory Medicine;
Fourth Hospital of Chinese PLA;
Xining;
China;
Xianyang Hospital of China Railway First Group Co.;
Ltd.;
Xianyang;
China;
Research Institute of High Altitude Diseases;
18th Hospital of Chinese PLA;
Yecheng;
China;
Research Center of High Altitude Medicine;
People’s Hospital of Golmud City;
Golmud;
China;
Department of Thoracic Surgery;
Lanzhou General Hospital of Lanzhou Command;
Lanzhou;
China;
The 68303 Troop Hospital of Chinese PLA;
Wuwei;
China;
Department of Clinical Laboratory;
Tenth Hospital of Chinese PLA;
Wuwei;
China;
Department of Endocrinology;
Hospital of Chengdu Office of Tibet Autonomous Region;
Chengdu;
China;
Research Institute of Respiratory Diseases;
Xinqiao Hospital;
Third Military Medical University;
Chongqing;
China;
Plateau; Migrants; Low; Altitude; High; Altitude; De-Acclimatization; Syndrome; Diagnostic; Criteria; Multi-Center; Study;