AUTHOR CONTRIBUTIONS
H.W., M.Z., M.S.A., F.C. and K.G. performed injury, behavioral experiments and morphological analysis. O.N., L.C. and N.L. executed molecular experiments. D.S. and J.K. organized and conducted statistical analyses. L.R-K. provided test material (LY2444296). G.B., N.M. and J.S. conceived and supervised the project. GB wrote the manuscript. All authors worked with and commented on the manuscript.