^○Naoto Ishimaru¹, Satoshi Suzuki², Toshio Shimokawa³, Saori Kinami¹, Hiromichi Suzuki⁴, Tetsuhiro Maeno⁵ (1.Akashi Medical Center, 2.Department of General Internal Medicine, 3.Department of General Medicine, Tone Chuo Hospital, Numata, Gunma, Japan, 4.Clinical Study Support Centre, Wakayama Medical University, Wakayama, Japan, 5.Division of Infectious Diseases Department of Medicine, Tsukuba Medical Center Hospital, Tsukuba, Ibaraki, Japan, 6.Department of Primary Care and Medical Education, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan)

^○Tomohiro Nakayama¹, Nobutaka Hirooka¹, Hidetomo Nakamoto¹ (1.Saitama Medical University, 2.General Internal Medicine)

^○Kazuki Taoka¹, Naoto Ozaki² (1.University of Tokyo, 2.Department of hematology, 3.Kobari Hospital)

Cho Mar Hlaing¹, ^○Tin Myo M Han², Kay Thi Wint Aung³ (1.University of Medicine, 2.Medical Unit-2, 3.Primary Care Research Unit, Myanmar GPs Society, 4.Medical Unit 2, North Okkalapa General Teaching Hospital)