1. Department of Anatomy, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
2. Department of Anatomy, Jeonbuk National University Medical School, Jeonju, Korea
3. Divison of Common Curriculum, Hokkaido Chitose College of Rehabilitation, Chitose, Japan
4. Divison of Rehabilitation, Hitsujigaoka Hospital of Orthopedics, Sapporo, Japan
5. Division of Internal Medicine, Cupid Clinic, Iwamizawa, Hokkaido, Japan
6. Emeritus Professor of Akita University School of Medicine, Akita, Japan
7. Department of Anatomy and Embryology, School of Medicine, Complutense University, Madrid, Spain