1 Department of General Practice (Hongo), Saka General Hospital, Miyagi, Japan; Department of Diagnostic and Generalist Medicine (Harada, Shimizu), Dokkyo Medical University, Mibu, Shimotsugagun, Tochigi, Japan; Department of Infectious Diseases (Gu), Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
2 Department of General Practice (Hongo), Saka General Hospital, Miyagi, Japan; Department of Diagnostic and Generalist Medicine (Harada, Shimizu), Dokkyo Medical University, Mibu, Shimotsugagun, Tochigi, Japan; Department of Infectious Diseases (Gu), Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan yogu.cid@tmd.ac.jp.