1. Department of Chemotherapy and Mycoses National Institute of Infectious Diseases Shinjuku‐ku Tokyo Japan
2. Department of Biological Science and Technology Faculty of Industrial Science and Technology Tokyo University of Science Katsushika‐ku Tokyo Japan
3. Department of Chemistry for Life Sciences and Agriculture Faculty of Life Sciences Tokyo University of Agriculture Setagaya‐ku Tokyo Japan
4. Laboratory of Electron Microscopy National Institute of Infectious Diseases Shinjuku‐ku Tokyo Japan