1. Imaging Science-Based Lung and Bone Diseases Research Center, ‡Department of Anatomy,
School of Medicine, §Department of Oral Physiology, School of Dentistry, ⊥Department of Radiology, School of
Medicine, ∥Institute for Skeletal Disease, and ▽Division of Rheumatology, Department of Internal
Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Korea