Corrigendum to 'Personal protective equipment and intensive care unit healthcare worker safety in the COVID-19 Era (PPE-SAFE): An international survey' [Journal of Critical Care, Volume 59, October 2020, Pages 70–75] (Journal of Critical Care (2020) 59 (70–75), (S088394412030592X), (10.1016/j.jcrc.2020.06.005))