1. Division of Infectious Diseases, Far Eastern Memorial Hospital , New Taipei City, Taiwan , Republic of China
2. Departmentof Medicine, National Yang Ming Chiao Tung University , Taipei, Taiwan , Republic of China
3. Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University , Taipei, Taiwan , Republic of China
4. Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital , Taipei, Taiwan , Republic of China
5. School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University , Taipei, Taiwan , Republic of China