P1‐547: MAILING OUTREACH FOR PARTICIPATION IN COGNITIVE IMPAIRMENT AND ALZHEIMER'S DISEASE RESEARCH. (1st July 2019) - Pun, Kelly; Zhu, Carolyn W.; Kinsella, Michael T.; Li, Clara; Grossman, Hillel; Neugroschl, Judith; Sewell, Margaret; Velasco, Nelly; Bayus, Jason; Sano, Mary