Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China;
Department of Nursing, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510530, China;
Shanghai Changhai Hospital, Shanghai 200433, China;
Colorectal Division, Affiliated Cancer Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510020, China;
Sun Yat-sen Memorial Hospital, Second Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510000, China;