508: EHR-Defined Emergency Transfer Is Associated With Mortality in Hospitalized Children. (January 2021) - Mehta, Sanjiv; Muthu, Naveen; Bonafide, Christopher; Galligan, Meghan; Favatella, Dana; Papili, Kelly; Porter, Ezra; Liu, Hongyan; Yehya, Nadir; Sutton, Robert