Articles in English language published between 1 June 2008 and 31 October 2017.

Studies conducted or reporting only on human subjects.

Studies reporting on empirical, interpretive and critical research using any type of study methodology or study designs (case–control study, observational study, surveys, research reports and case reports).

Studies reporting on any types of healthcare setting including primary care, hospitals, allied health practices or emergency departments.

Studies conducted or reporting only on participants aged 60 years and above.

There will be no limitation on upper age and gender of the participants.

There will be no limitations on geographical location of the study participants.

Studies reporting on non-human subjects.

Studies not reporting on individuals aged 60 years and above.

Studies reported in another language than English.