1. Department of Anatomy and Institute for Skeletal Disease, School of Medicine, Wonkwang University, Korea.
2. Plastic & Rconstructive Surgery, School of Medicine, Wonkwang University, Korea.
3. Department of Obstetrics and Gynecology, School of Medicine, Wonkwang University, Korea.
4. Division of Anesthesiology and Pain Medicine, Sanbon Medical Center, School of Medicine, Wonkwang University, Korea.
5. Department of Internal Medicine, Division of Rheumatology and Institute of Wonkwang Medical Science, School of Medicine, Wonkwang University, Korea.
6. Institute for Environmental Science, School of Medicine, Wonkwang University, Korea.
7. Department of Neurosurgery, Gunsan Medical Center, Wonkwang University, Korea.