1. Salivary Gland Disease Center and Molecular Laboratory for Gene Therapy and Tooth Regeneration; Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction; Capital Medical University School of Stomatology; Beijing China
2. Laboratory of Tissue Regeneration and Immunology and Department of Periodontics; Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction; Capital Medical University School of Stomatology; Beijing China
3. Department of Prosthodontics; Xiangya Stomatological Hospital; Central South University; Changsha Hunan China
4. Laboratory for Immunoregulation and Tissue Engineering; Herman Ostrow School of Dentistry; University of Southern California; Los Angeles CA USA
5. Department of Orthodontics; Capital Medical University School of Stomatology; Beijing China
6. Department of Dentistry; State University of Maringa; Parana Brazil