1. Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan
2. San Lazaro Hospital, Manila, The Philippines
3. Bacteriology Division, Department of Mycobacterium Reference and Research, Research Institute of Tuberculosis, Japan Anti-Tuberculosis Association, Tokyo
4. Department of Parasitology, Institute of Tropical Medicine
5. School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan