1. Skeletal Diseases Genome Research Center, Kyungpook National University Hospital, Daegu 700-412, Korea.
2. Department of Physiology, Kyungpook National University School of Medicine, Daegu 700-412, Korea.
3. Department of Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu 700-412, Korea.
4. Department of Orthopedic Surgery, Kyungpook National University School of Medicine, Daegu 700-712, Korea.