[1] Univ Brighton, Sch Hlth Sci, Falmer BN1 9PH, England
[2] De Montfort Univ, Sch Nursing & Midwifery, Leicester LE1 9BH, Leics, England
[3] Surrey & Sussex Healthcare NHS Trust, Redhill RH2 5RH, Surrey, England
[4] Brighton & Sussex Med Sch, Falmer BN1 9PH, England
[5] Dementia UK, London EC3N 1RE, England