1. Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung 402306, Taiwan
2. Division of Colorectal Surgery, Buddhist Tzu Chi Medical Foundation, Dalin Tzu Chi Hospital, Chiayi 622401, Taiwan
3. School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
4. Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402306, Taiwan
5. Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402306, Taiwan