1. Department of Dermatology, Changhua Christian Hospital, Changhua, Taiwan
2. Department of Surgical Pathology, Cheng Ching Hospital, Taichung, Taiwan
3. Department of Biological Sciences, National University of Singapore, Singapore, Singapore
4. Cancer Research Center, Changhua Christian Hospital, Changhua, Taiwan
5. Department of Surgical Pathology, Changhua Christian Hospital, Changhua, Taiwan
6. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
7. Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan