Gilbert, David E.
Funding for this research was provided by:
National Science Foundation (1524490)
Wenner-Gren Foundation (8676)
Article History
First Online: 7 October 2017
Compliance with Ethical Standards
: Grants from the National Science Foundation (#1524490) and Wenner-Gren Foundation (#8676) funded this research.
: The author declares no conflicts of interest.