Douin DJ, Siegel L, Grandits G, Phillips A, Aggarwal NR, Baker J, Brown SM, Chang CC, Goodman AL, Grund B, Higgs ES, Hough CL, Murray DD, Paredes R, Parmar M, Pett S, Polizzotto MN, Sandkovsky U, Self WH, Young BE, Babiker AG, Davey VJ, Kan V, Gelijns AC, Matthews G, Thompson BT, Lane HC, Neaton JD, Lundgren JD, Ginde AA. Evaluating Primary Endpoints for COVID-19 Therapeutic Trials to Assess Recovery. Am J Respir Crit Care Med. 2022 09 15; 206(6):730-739.