Insights into the association of ACEIs/ARBs use and COVID-19 prognosis: a multistate modelling study of nationwide hospital surveillance data from Belgium., Peñalvo, José L., Genbrugge Els, Mertens Elly, Sagastume Diana, van der Sande Marianne A. B., Widdowson Marc-Alain, and Van Beckhoven Dominique , BMJ Open, 2021 09 16, Volume 11, Issue 9, (2021)