Dr. Chun-De Liao received his Ph.D. from the School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan in July 2020. Now he is an assistant professor in Master Program in Long-Term Care, College of Nursing, Taipei Medical University, Taipei, Taiwan. His expertise is in the field of osteoarthritis, sarcopenia, obesity, sport medicine, and physiotherapy.