. 2016 Jun 17;1(1):63–77. doi: 10.1002/gch2.1010
©2016 The Authors. Global Challenges published by John Wiley & Sons Ltd.
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.