1. Center of Clinical Aerospace Medicine, School of Aerospace Medicine, Key Laboratory of Aerospace Medicine of Ministry of Education, Air Force Medical University, Xi'an, Shanxi 710032
2. Department of Gastrointestinal Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510150, P.R. China
3. Nursing School, Guangzhou Medical University, Guangzhou, Guangdong 510030, P.R. China
4. Sino‑French Hoffmann Institute, Guangzhou Hoffman Institute of Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
5. Department of Biological Sciences, National University of Singapore, Singapore 117543, Republic of Singapore