1. Division of Infection Control and Prevention, Osaka University, Suita City, Osaka, Japan
2. Department of Infection Metagenomics, Genome Information Research Center, Osaka University, Suita City, Osaka, Japan
3. Laboratory for Clinical Research on Infectious Diseases, International Research Center for Infectious Diseases, Research Institute for Microbial Diseases, Osaka University, Suita City, Osaka, Japan
4. Department of Otorhinolaryngology – Head and Neck Surgery, Graduate School of Osaka University Medical Sciences, Osaka University, Suita City, Osaka, Japan