About the Authors

Huixian Li

huixian.li@wayne.edu

Affiliations School of Computer Science and Engineering, Northwestern Polytechnical University, Xi’an, China, Department of Computer Science, Wayne State University, Detroit, Michigan, United States of America

Liaojun Pang

Affiliations Department of Computer Science, Wayne State University, Detroit, Michigan, United States of America, School of Life Science and Technology, Xidian University, Xi’an, China

Zhangquan Wang

Affiliation School of Life Science and Technology, Xidian University, Xi’an, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HL LP. Performed the experiments: ZW. Analyzed the data: HL LP ZW. Contributed reagents/materials/analysis tools: HL LP. Wrote the paper: HL LP ZW.