1. Department of Cell Signaling, Graduate School, Tokyo Medical and Dental University, Tokyo 113-8549, Japan.
2. Center of Excellence Program for Frontier Research on Molecular Destruction and Reconstruction of Tooth and Bone, Tokyo Medical and Dental University, Tokyo 113-8549, Japan.
3. Department of Hard Tissue Engineering, Section of Pharmacology, Graduate School, Tokyo Medical and Dental University, Tokyo 113-8549, Japan.
4. Nippon Chemiphar Co., Ltd., Saitama 341-0005, Japan.
5. Department of Orthopaedic Surgery, Juntendo University School of Medicine, Tokyo 113-8421, Japan.