1. Department of Anatomy, Chonbuk National Medical School, Jeonju, Korea.
2. Department of Anatomy, Histology and Embryology, Yanbian University Medical College, Yanji City, Jilin Province, China.
3. Department of Maxillofacial Anatomy, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.
4. Department of Surgery, Chonbuk National University Hospital, and Research Team Member, Research Institute of Clinical Medicine, Chonbuk National University-Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Korea.
5. Division of Internal Medicine, Iwamizawa Asuka Hospital, Iwamizawa, Japan.
6. Department of Anatomy and Human Embryology, Institute of Embryology, Faculty of Medicine, Complutense University, Madrid, Spain.