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