1. Department of Gastroenterology, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
2. Department of Respiratory Medicine, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
3. Department of Psychiatry, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
4. Department of Orthopedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
5. Department of Pharmacy, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
6. Department of Nursing, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
7. Department of Nutrition, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan
8. Medical Technology Innovation Center, Juntendo University, Hongo, Bunkyo, Tokyo 1138421, Japan
9. Department of Gastroenterology, Juntendo University School of Medicine, Hongo, Bunkyo, Tokyo 1138421, Japan
10. Department of Cardiology, Juntendo Tokyo Koto Geriatric Medical Center, Shinsuna, Koto, Tokyo 1360075, Japan