An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
1 School of Health Sciences, City University of London, London, UK.
2 National Centre of Research Excellence in Nursing, Menzies Health Institute Queensland, Griffith University, Intensive Care Unit, Princess Alexandra Hospital, Nathan, Australia.
3 School of Nursing and Health Sciences, University of Dundee, Dundee, UK.
4 Department of Psychiatry, University of Dundee, Dundee DD1 9SY, UK.
1 School of Health Sciences, City University of London, London, UK.
2 National Centre of Research Excellence in Nursing, Menzies Health Institute Queensland, Griffith University, Intensive Care Unit, Princess Alexandra Hospital, Nathan, Australia.
3 School of Nursing and Health Sciences, University of Dundee, Dundee, UK.
4 Department of Psychiatry, University of Dundee, Dundee DD1 9SY, UK.