1. Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
2. Department of Dental Hygiene, China Medical University, Taichung, Taiwan
3. Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, California, USA
4. Institute of Environmental and Occupational Health Sciences, School of Medicine & Division of Colon and Rectum Surgery, Department of Surgery, National Yang-Ming University & National Defense Medical Center, Tri-Service General Hospital Songshan Branch, Taipei, Taiwan
5. Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
6. Department of Dentistry, Cheng Hsin Hospital & Taipei Medical University, Taipei, Taiwan
7. Department of Pathology, National Defense Medical Center & Tri-Service General Hospital, Taipei, Taiwan