About the Authors

Xiaxia Xu

Affiliation College of Life Sciences and Key Lab of Bioactive Materials, Ministry of Education, Nankai University, Tianjin, PR China

Lei An

Affiliation College of Life Sciences and Key Lab of Bioactive Materials, Ministry of Education, Nankai University, Tianjin, PR China

Xichao Mi

Affiliation College of Life Sciences and Key Lab of Bioactive Materials, Ministry of Education, Nankai University, Tianjin, PR China

Tao Zhang

zhangtao@nankai.edu.cn

Affiliation College of Life Sciences and Key Lab of Bioactive Materials, Ministry of Education, Nankai University, Tianjin, PR China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TZ XX LA. Performed the experiments: XX LA. Analyzed the data: XX XM. Contributed reagents/materials/analysis tools: TZ XX. Wrote the paper: XX TZ.