About the Authors

Junli Zhang

Roles Writing – original draft

Affiliation Department of Gastroenterology and Hepatology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, PR China

Ling Feng

Roles Writing – review & editing

fengling216@163.com

Affiliation Department of Neurology, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, PR China

Competing Interests

The authors have declared that no competing interests exist.