[1] Univ Hong Kong, Dept Social Work & Social Adm, Hong Kong, Peoples R China
[2] Hong Kong Polytech Univ, Fac Hlth & Social Sci, Dept Appl Social Sci, Hong Kong, Peoples R China
[3] Hong Kong Metropolitan Univ, Sch Nursing & Hlth Studies, Hong Kong, Peoples R China
[4] Univ Hong Kong, Sau Po Ctr Ageing, Hong Kong, Peoples R China