1. Department of Anatomy; Tokyo Dental College; Chiba City Japan
2. Department of Neurology; Wonkwang University School of Medicine and Hospital, Institute of Wonkwang Medical Science; Iksan Korea
3. Division of Physical Therapy; Ongoul Rehabilitation Hospital; Jeonju Korea
4. Division of Internal Medicine; Iwamizawa Kojin-Kai Hospital; Iwamizawa Japan