1. Bellani G, Laffey JG, Pham T, Fan E, Brochard L, Esteban A, et al. Epidemiology, patterns of care, and mortality for patients with acute respiratory distress syndrome in intensive care units in 50 countries. JAMA. 2016 Feb;315(8):788–800.
2. van der Sluijs AF, van Slobbe-Bijlsma ER, Chick SE, Vroom MB, Dongelmans DA, Vlaar APJ. The impact of changes in intensive care organization on patient outcome and cost-effectiveness-a narrative review. J Intensive Care. 2017 Jan 25;5:13.
3. Lai CC, Tseng KL, Ho CH, Chiang SR, Chen CM, Chan KS, et al. Prognosis of patients with acute respiratory failure and prolonged intensive care unit stay. J Thorac Dis. 2019;11(5):2051–7.
4. Bauer J, Brüggmann D, Klingelhöfer D, Maier W, Schwettmann L, Weiss DJ, et al. Access to intensive care in 14 European countries: a spatial analysis of intensive care need and capacity in the light of COVID-19. Intensive Care Med. 2020 Nov;46(11):2026–34.
5. Rhodes A, Ferdinande P, Flaaten H, Guidet B, Metnitz PG, Moreno RP. The variability of critical care bed numbers in Europe. Intensive Care Med. 2012 Oct;38(10):1647–53.