1. From the Department of Hematology (G.C.-M.), National Cancer Institute, México City, México; Departments of Neurology (C.C.-B.), Hematology (R.V.), and Immunology (J.S.-G.), Instituto Nacional de Ciencias Médicas y Nutrición, México City, México; Hospital Angeles de Queretaro (F.B), Queretaro, México; Escuela Nacional de Ciencias Biológicas (E.R., E.G.L.), Instituto Politécnico Nacional, México City, México; Department of Cell and Developmental Biology (K.H.), Weill Cornell Medical College, New York...