1. Department of Stomatology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China (mainland)
2. Department of Gastroenterology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China (mainland)
3. Department of Pathology, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China (mainland)
4. Department of Research, Qingbaijiang District People’s Hospital, Chengdu, Sichuan, China (mainland)