Wei-Lun Huang1, Ruwen Jou2. 1. Reference Laboratory of Mycobacteriology, Research and Diagnostic Center, Centers for Disease Control, Department of Health, 161 Kun-Yang Street, Nan-Kang, Taipei 115, Taiwan. 2. Reference Laboratory of Mycobacteriology, Research and Diagnostic Center, Centers for Disease Control, Department of Health, 161 Kun-Yang Street, Nan-Kang, Taipei 115, Taiwan; Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan. Electronic address: rwj@cdc.gov.tw.