1 General Practice Ward, International Medical Center Ward, General Practice Medical Center, West China Hospital/West China School of Nursing, Sichuan University, Chengdu, 610041, China.
2 Department of Gastroenterology, The Affiliated Hospital of Southwest Medical University, Luzhou, 646099 China.
3 General Practice Ward, International Medical Center Ward, General Practice Medical Center, West China Hospital/West China School of Nursing, Sichuan University, Chengdu, 610041, China. Electronic address: 1157260292@qq.com.