1. Department of Enteral and Parenteral Nutrition, Peking Union Medical College Hospital, Medical School of Tsinghua University, Beijing, China
2. Department of Computational Mathematics and Biostatistics, Metabolomics and Multidisciplinary Laboratory for Trauma Research, Sichuan Provincial People’s Hospital and Sichuan Academy of Medical Sciences, Chengdu, China
3. Department of Sports, Tsinghua University, Beijing, China
4. Stable Isotope Laboratory of Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China
5. Department of General Surgery, Peking Union Medical College Hospital, Medical School of Tsinghua University, Beijing, China