*Corresponding author
Yoji Hoshina MD
Department of General Medicine, Chiba University Hospital
1-8-1, Inohana, Chuo-ku, Chiba-city, Chiba 260-8677, Japan
Tel: +81-43-224-4758
Fax: +81-43-224-4758
E-mail: yojihoshina0106@gmail.com