1. Department of General Internal Medicine, St. Marianna University School of Medicine , 2-16-1, Sugao, Miyamae, Kawasaki, Kanagawa, Japan
2. Department of Rehabilitation Medicine, St. Marianna University School of Medicine , 2-16-1 , Sugao, Miyamae, Kawasaki, Kanagawa, Japan
3. Department of General Internal Medicine, St. Marianna University School of Medicine , 2-16-1 , Sugao, Miyamae, Kawasaki, Kanagawa, Japan