1. Department of Infectious Diseases, Respiratory, and Digestive Medicine, Graduate School of Medicine; University of the Ryukyus; Okinawa Japan
2. Infection Control Team; University of the Ryukyus Hospital; Okinawa Japan
3. Department of Infection Metagenomics, Genome Information Research Center, Research Institute for Microbial Diseases; Osaka University; Osaka Japan
4. Division of Endocrinology, Diabetes and Metabolism, Hematology and Rheumatology, Graduate School of Medicine; University of the Ryukyus; Okinawa Japan