we are grateful for our funding from the following sources:
Simons Foundation
Georgia Tech College of Sciences
Gordon and Betty Moore Foundation and Research Corporation
National Science Foundation (BIO)
US-Israel Binational Science Foundation
Our current work is supported by the Georgia Institute of Technology, the Gordon and Betty Moore Foundation (4308.07), the Simons Foundation (133942), the US-Israel Binational Science Foundation (2015103), and the the National Science Foundation (MCB-1149925). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of Georgia Tech, NSF, BFF, or the Simons and Moore Foundations.