1. Faculty of Agriculture and Marine Science, Graduate School of Integrated Arts and Science, Kochi University, Kochi, Japan
2. Department of Bioresource Production Science, The United Graduate School of Agricultural Sciences, Ehime University, Ehime, Japan
3. Department of Clinical Laboratory, Tokyo Metropolitan Toshima Hospital, Tokyo, Japan
4. Department of School Health Sciences, Aichi University of Education, Aichi, Japan
5. Department of Microbiology and Infection, Kochi Medical School, Kochi University, Kochi, Japan