G.G. Manahan, A. Deng, B. O’Shea, S. Gessner, V. Yakimenko, C.A. Linstrom, E. Adli, R. Zgadzaj, A. Murokh, D.L. Bruhwiler, B. Hidding, M. Hogan, A. Knetsch, C. Clarke, S.Z. Green, Z.-M. Sheng, D. Jaroszynski, J.R. Cary, O. Williams, B. Jacobson, J. Allen, J.B. Rosenzweig, T. Heinemann, P. Scherkl, O.S. Karger, A. Beaton and G. Wittig, Y. Xi, F. Habib, G. Andonian and M. Litos, “Progress and future plans on Trojan Horse-enabled ultrahigh brightness electron and photon sources,” presented at the Advanced Accel. Concepts Workshop (National Harbor, Aug. 2016).