1. Department of Anatomy; Seonam University College of Medicine; Namwon Korea
2. Department of Oral Growth and Development; Fukuoka Dental College; Fukuoka Japan
3. Department of Anatomy, Histology and Embryology; Yanbian University Medical College; Yanji City Jilin Province China
4. Division of Internal Medicine; Iwamizawa Asuka Hospital; Iwamizawa Japan
5. Department of Anatomy and Human Embryology; Faculty of Medicine, Institute of Embryology, Complutense University; Madrid Spain
6. Department of Surgery; Chonbuk National University Hospital; Jeonju Korea
7. Research Institute of Clinical Medicine; Chonbuk National University-Biomedical Research Institute, Chonbuk National University Hospital; Jeonju Korea