1. Department of Anatomy and Pathology, Taipei City Hospital Heping Branch, Taipei, Taiwan
2. National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan
3. Graduate Institute of Medicine, Yuan-Ze University, Taoyuan, Taiwan
4. Department of Medical Research, Far Eastern Memorial Hospital, New Taipei, Taiwan
5. Department of Anatomical Pathology, Far Eastern Memorial Hospital, New Taipei, Taiwan