Impact of renin–angiotensin–aldosterone system inhibition on mortality in critically ill COVID-19 patients with pre-existing hypertension: a prospective cohort study oleh Kei Sato, Nicole White, Jonathon P. Fanning, Nchafatso Obonyo, Michael H. Yamashita, Vinesh Appadurai, Anna Ciullo, Meryta May, Elliott T. Worku, Leticia Helms, Shinichiro Ohshimo, Dafsah A. Juzar, Jacky Y. Suen, Gianluigi Li Bassi, John F. Fraser, Rakesh C. Arora, COVID-19 Critical Care Consortium Investigators