1. Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function ReconstructionSchool of Stomatology, Capital Medical University 4 Tiantanxili Beijing P. R. China
2. Department of Pharmacy, Beijing Tiantan HospitalCapital Medical University 119 Nansihuan West Road, Fengtai District Beijing P. R. China
3. Department of Clinical Pharmacology, College of Pharmaceutical SciencesCapital Medical University Beijing P. R. China
4. Department of Pharmacy, Beijing Tongren HospitalCapital Medical University Beijing P. R. China