No Conclusive Evidence for Transits of Proxima b in MOST Photometry

D.M.K. and J.C. acknowledge support from NASA grant NNX15AF09G (NASA ADAP Program). D.B.G., J.M.M., A.F.J.M., and S.M.R. acknowledge support from NSERC (Canada). J.R.A.D. is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-1501418. A.J. acknowledges support from FONDECYT project 1130857, BASAL CATA PFB-06, and the Ministry of the Economy, Development, and Tourism’s Programa Iniciativa Cientifica Milenio through grant IC 120009, awarded to the Millennium Institute of Astrophysics (MAS).