1 Division of Pediatric Gastroenterology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan; College of Medicine, National Chung Hsing University, Taichung, Taiwan.
2 Division of Pediatric Gastroenterology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan; College of Medicine, National Chung Hsing University, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
3 Division of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan; Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan. Electronic address: jccwei@gmail.com.