Impact of restricted visitation policies during COVID-19 on critically ill adults, their families, critical care clinicians, and decision-makers: a qualitative interview study. - Fiest KM; Krewulak KD; Jaworska N; Spence KL; Mizen SJ; Bagshaw SM; Burns KEA; Cook DJ; Fowler RA; Olafson K; Patten SB; Rewa OG; et al. (Canadian journal of anaesthesia = Journal canadien d'anesthesie, 2022)