Publisher Correction: APOE4 homozygosity represents a distinct genetic form of Alzheimer’s disease

Juan Fortea, Jordi Pegueroles, Daniel Alcolea, Olivia Belbin, Oriol Dols‐Icardo, Lídia Vaqué‐Alcázar, Laura Videla, Juan Domingo Gispert, Marc Suárez‐Calvet, Sterling C. Johnson, Reisa A. Sperling, Alexandre Bejanin, Alberto Lleó, Víctor Montal