Funding
This work was supported by the Air Force Office of Scientific Research Young Investigator Program, Grant No. FA95550-12-1-0315 (RMRA), as well as Grant No. FA9550-14-1-0008 (DDD) and FA9550-14-1-0171 (JSU and DLB). It was also the subject of a travel grant from the Burroughs Wellcome Fund (Grant No. 1012729) for DDD to perform analyses at Georgetown University.
