1. Department of Pathology and Graduate Institute of Pathology, College of Medicine, National Taiwan University, Taipei, Taiwan
2. Department of Pathology, National Taiwan University Hospital, Taipei, Taiwan
3. Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan
4. Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
5. Department of Pathology, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
6. Department of Pathology, National Taiwan University Hospital Yun-Lin Branch, Yunlin, Taiwan
7. Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
8. Department of Pathology, Taichung Veterans General Hospital, Taichung, Taiwan
9. School of Medicine, Chung Shan Medical University, Taichung, Taiwan
10. Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan
11. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan