[1] Natl Univ Ireland Galway, Inst Life Course & Soc, Irish Ctr Social Gerontol, Galway, Ireland
[2] Queens Univ, Sch Med Dent & Biomed Sci, Belfast, Antrim, North Ireland
[3] Newcastle Univ, Inst Hlth & Soc, Newcastle Upon Tyne, Tyne & Wear, England
[4] Newcastle Univ, Inst Ageing, Sir James Spence Inst, Newcastle Upon Tyne, Tyne & Wear, England
[5] Univ Limerick, Grad Entry Med Sch, Fac Educ & Hlth Sci, Limerick, Ireland
[6] Univ Limerick, Hlth Res Inst, Limerick, Ireland
[7] Natl Univ Ireland Galway, Inst Lifecourse & Soc, Ctr Econ & Social Res Dementia, Galway, Ireland