Copyright © 2016 Schwarz, Unruh, Cronin, Evans-Simpson, Britton, and Ramaswamy. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original author and source are credited.
Except where otherwise noted, this item's license is described as: Copyright © 2016 Schwarz, Unruh, Cronin, Evans-Simpson, Britton, and Ramaswamy. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original author and source are credited.