Duncan, John F. R.
Griffin, Michael J.
Ono, Ken
Funding for this research was provided by:
National Science Foundation (ID0ESAAE66)
National Science Foundation (ID0E3DAE67)
Article History
Received: 4 March 2015
Accepted: 16 October 2015
First Online: 10 December 2015
Acknowledgements
: The authors thank the NSF for its support. The first author also thanks the Simons Foundation (#316779), and the third author thanks the A. G. Candler Fund. The authors thank Miranda Cheng, Jeff Harvey, Michael Somos and the anonymous referee for helpful comments and corrections.