1 Institute of Medicine, Chung Shan Medical University, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan.
2 Department of Biochemistry, Chung Shan Medical University, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan ; Clinical Laboratory, Chung Shan Medical University Hospital, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan.
3 Institute of Medicine, Chung Shan Medical University, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan ; Department of Internal Medicine, Chung Shan Medical University Hospital, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan.
4 Institute of Biochemistry and Biotechnology, Chung Shan Medical University, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan.
5 Division of Gastroenterology, Department of Internal Medicine, Armed-Force Taichung General Hospital, Taichung 411, Taiwan ; General Education Center, Central Taiwan University of Science and Technology, No. 11 Pu-tzu Lane, Pu-tzu Road, Taichung 406, Taiwan.
6 Department of Pathology, Taichung Veterans General Hospital, Taichung 407, Taiwan.
7 Clinical Laboratory, Chung Shan Medical University Hospital, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan ; Institute of Biochemistry and Biotechnology, Chung Shan Medical University, No. 110, Section 1, Jianguo N. Road, Taichung 402, Taiwan.