1. Department of Rehabilitation Medicine; School of Medicine; Fujita Health University; Aichi Japan
2. Faculty of Rehabilitation; School of Health Sciences; Fujita Health University; Aichi Japan
3. Japanese Red Cross Ashikaga Hospital; Tochigi Japan
4. Department of Hygiene; Fujita Health University; Aichi Japan
5. Department of Radiology; Fujita Health University; Aichi Japan
6. Institute of Medicine; Suranaree University of Technology; Muang Nakornratchasima, Thailand
7. Department of Physical Medicine and Rehabilitation; Department of Otolaryngology-Head and Neck Surgery; and Center for Functional Anatomy and Evolution; Johns Hopkins University; Baltimore Maryland USA