Cmar_a_230741 9931..9938

Shuao Xiao* Fan Feng* Ni Liu* Zhen Liu Yinghao Guo Xiao Lian Hongwei Zhang 1 1Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032, Shaanxi, People’s Republic of China; 2Department of Anesthesiology, Weinan Central Hospital, Weinan 714000, Shaanxi, People’s Republic of China; 3Health Company, 92667 Army of PLA, Qingdao 266100, Shandong, People’s Republic of China