1. Surgical Intensive Care Unit (SICU); Department of General Surgery; Jinling Hospital; Medical School of Nanjing University; Nanjing China
2. School of Mechanical Engineering; Nanjing University of Science and Technology; Nanjing China
3. Department of General Surgery; Bayi Hospital affiliated Nanjing University of Chinese Medicine/the 81 Hospital of P.L.A.; Nanjing China