Authors: George Du Toit, M.B., B.Ch., Michelle F. Huffaker, M.D., Suzana Radulovic, M.D., Mary Feeney, M.Sc., R.D., Helen R. Fisher, M.Sc., Ph.D., Margie Byron, M.S., Lars Dunaway, Ph.D., +14 , Agustin Calatroni, M.S., Molly Johnson, M.S., Ru-Xin Foong, M.B., Andreina Marques-Mejias, M.D., Ph.D., Irene Bartha, M.D., Ph.D., Monica Basting, M.A., Helen A. Brough, M.B., Ph.D., Carolyn Baloh, M.D., Tanya M. Laidlaw, M.D., Henry T. Bahnson, M.S., Graham Roberts, D.M., Marshall Plaut, M.D., Lisa M. Wheatley, M.D., M.P.H., Gideon Lack, M.B., B.Ch. [email protected], and for the Immune Tolerance Network LEAP-Trio Trial Team