1. School of Dentistry, National Defense Medical Center Taipei Taiwan
2. Division of Anatomic PathologyTaipei Tzu Chi Hospital Taipei Taiwan
3. Department of Pharmacy PracticeTri‐Service General Hospital Taipei Taiwan
4. Graduate Institute of Microbiology and ImmunologyNational Defense Medical Center Taipei Taiwan
5. Department of Medical ResearchTri‐Service General Hospital Taipei Taiwan
6. Department of Radiation OncologyTri‐Service General Hospital, National Defense Medical Centre Taipei Taiwan
7. Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University Taipei Taiwan
8. Department of Oral and Maxillofacial SurgeryTri‐Service General Hospital Taipei Taiwan
9. Department of Biology and AnatomyNational Defense Medical Center Taipei Taiwan