About the Authors

Xiaoying Zhu

Affiliations Singapore University of Technology and Design, Singapore, Singapore, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Roland Bouffanais

bouffanais@sutd.edu.sg

Affiliations Singapore University of Technology and Design, Singapore, Singapore, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Dick K. P. Yue

Affiliation Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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