Additional file 1: of Comparison of the efficacy and safety of FP-1201-lyo (intravenously administered recombinant human interferon beta-1a) and placebo in the treatment of patients with moderate or severe acute respiratory distress syndrome: study protocol for a randomized controlled trial BellinganGeoff BrealeyDavid ManceboJordi MercatAlain PatronitiNicolò PettiläVille QuintelMichael VincentJean-Louis MaksimowMikael JalkanenMarkku PiippoIlse RanieriV. 2017 SPIRIT Checklist. (PDF 172 kb)