1. School of Nursing, Sun Yat‑Sen University, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
2. Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510080, P.R. China
3. School of Medicine, Foshan University, Foshan, Guangdong 528000, P.R. China