Funding for this research was provided by:
National Science Foundation (1541136)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (P2C HD041025-16)
U.S. Department of Transportation (DTRT12GUTC14-201307, DTRT12GUTC14-201308)
Text and Data Mining valid from 2018-08-09
First Online: 9 August 2018
Compliance with Ethical Standards
: We declare that we have no conflict of interest.