About the Authors

Yusi Zhou, Wei Ning Chen
School of Chemical and Biomedical Engineering, College of Engineering, Nanyang Technological University, Singapore, Singapore

Corresponding Author

WNChen@ntu.edu.sg

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YZ WNC. Performed the experiments: YZ. Analyzed the data: YZ WNC. Wrote the paper: YZ WNC.