About the Authors

Hua Wang

Affiliations The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China, Institute of Dental Research, Stomatological College, Nanjing Medical University, Nanjing, P.R. of China

Jingning Liu

Affiliations The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China, Department of Geriatrics, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, P.R. of China

Ying Yin

Affiliations The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China, Institute of Dental Research, Stomatological College, Nanjing Medical University, Nanjing, P.R. of China

Jun Wu

Affiliation The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China

Zilu Wang

Affiliation Institute of Dental Research, Stomatological College, Nanjing Medical University, Nanjing, P.R. of China

Dengshun Miao

Affiliation The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China

Wen Sun

wensun@njmu.edu.cn

Affiliation The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical University, Nanjing, P.R. of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WS. Performed the experiments: HW JL YY JW. Analyzed the data: WS HW. Contributed reagents/materials/analysis tools: WS ZW. Wrote the paper: WS DM.