About the Authors

Wei Zhang

Affiliation Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, Liaoning, P.R. China

Hong-Chen Qu

Affiliation Department of Urological Surgery, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, P.R. China

Mo Yu

Affiliation Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, Liaoning, P.R. China

Yang Zhang

zgykdxzhangyang@126.com

Affiliation Department of Orthodontics, School of Stomatology, China Medical University, Shenyang, Liaoning, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WZ YZ. Performed the experiments: WZ HCQ. Analyzed the data: MY YZ. Contributed reagents/materials/analysis tools: HCQ. Wrote the paper: WZ HCQ.