About the Authors

Sybil Derrible


Affiliation Future Urban Mobility Inter-Disciplinary Group, Singapore-MIT Alliance for Research and Technology, Singapore, Singapore

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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