Wood, George https://orcid.org/0000-0003-0046-4465
Papachristos, Andrew V. https://orcid.org/0000-0003-0975-8320
Funding for this research was provided by:
National Science Foundation (SES-1151449)
Article History
Received: 19 October 2018
Accepted: 12 July 2019
First Online: 19 August 2019
Competing interests
: The authors declare no competing interests.