Respiratory support in patients with severe COVID-19 in the International Severe Acute Respiratory and Emerging Infection (ISARIC) COVID-19 study: a prospective, multinational, obs... by Reyes, LF, Murthy, S, Garcia-Gallo, E, Merson, L, Ibáñez-Prada, ED, Rello, J, Fuentes, YV, Martin-Loeches, I, Bozza, F, Duque, S, Taccone, FS, Fowler, RA, Kartsonaki, C, Gonçalves, BP, Citarella, BW, Aryal, D, Burhan, E, Cummings, MJ, Delmas, C, Diaz, R, Figueiredo-Mello, C, Hashmi, M, Panda, PK, Jiménez, MP, Rincon, DFB, Thomson, D, Nichol, A, Marshall, JC, Olliaro, PL