1. Health Insurance Review and Assessment Service, Gwangju, Korea
2. Department of Anatomy, Wonkwang University School of Medicine, Iksan, Korea
3. Jesaeng-Euise Clinical Anatomy Center, Wonkwang University School of Medicine, Iksan, Korea
4. Sarcopenia Total Solution Center, Wonkwang University School of Medicine, Iksan, Korea
5. Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
6. Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine, Wonkwang University Hospital, Iksan, Korea