1. Department of Gastroenterology and Hepatology; the First Affiliated Hospital of Wenzhou Medical University; Wenzhou China
2. Department of Gastroenterology and Hepatology, Shanghai Institute of Liver Disease, Zhongshan Hospital; Fudan University; Shanghai China
3. Department of Otolaryngology; the First Affiliated Hospital of Wenzhou Medical University; Wenzhou China
4. Department of Gastroenterology and Hepatology; Erasmus MC University Medical Center; Rotterdam The Netherlands
5. Toronto Center for Liver Disease, Toronto Western and General Hospital; University Health Network; Toronto Canada