About the Authors

Meng Hu

Affiliation School of Biomedical Engineering, Science & Health Systems, Drexel University, Philadelphia, Pennsylvania, United State of America

Hualou Liang

hualou.liang@drexel.edu

Affiliation School of Biomedical Engineering, Science & Health Systems, Drexel University, Philadelphia, Pennsylvania, United State of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH HL. Performed the experiments: MH. Analyzed the data: MH. Contributed reagents/materials/analysis tools: MH. Contributed to the writing of the manuscript: MH HL.