P3‐013: PRELIMINARY EVIDENCE OF THE IMPACT OF INTRATHECAL CELL THERAPY WITH AUTOLOGOUS STROMAL CELLS ON SHORT‐TERM MEMORY BINDING IN EARLY ALZHEIMER'S DISEASE CASES. (1st July 2019) - Guinea, Sara Fernández; Zurita, Mercedes; Mucientes, Jorge; García, Estefanía; Parra, Mario Alfredo; Vaquero, Jesús