1. Johns Hopkins University & Medicine. COVID‐19 dashboard by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University (JHU). 2020. [Cited May 2020.] Available from URL:https://coronavirus.jhu.edu/map.html
2. For example Civil Liability Act(NSW) 2002 Part 1A and s 5O.
3. Nuffield Council on Bioethics. COVID‐19 ethics resources. 2020. [Cited 3 May 2020.] Available from URL:https://www.nuffieldbioethics.org/publications/covid‐19/covid‐19‐ethics‐resources
4. General Medical Council. How we will continue to regulate in light of novel coronavirus (Covid‐19). 2020. [Cited 1 May 2020.] Available from URL:https://www.gmc‐uk.org/news/news‐archive/how‐we‐will‐continue‐to‐regulate‐in‐light‐of‐novel‐coronavirus
5. Non‐invasive ventilation for the management of acute hypercapnic respiratory failure due to exacerbation of chronic obstructive pulmonary disease;Osadnik CR;Cochrane Database Syst. Rev.,2017