1 Department of Gastroenterology, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, China.
2 Institute of Therapeutic Innovations and Outcomes, College of Pharmacy, The Ohio State University, Columbus, USA.
3 Department of Gastroenterology, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, China. Electronic address: wsfirefly@126.com.