1. Department of Rehabilitation Niigata Rinko Hospital Niigata Japan
2. Division of Clinical Nephrology and Rheumatology Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
3. Internal Medicine Niigata Rinko Hospital Niigata Japan
4. Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare Niigata Japan
5. Department of Physical Therapy, School of Health Science Fukushima Medical University Fukushima Japan