[1] Ulster Univ, Sch Nursing & Paramed Sci, Derry Londonderry Campus,Northland Rd, Londonderry BT48 7JL, North Ireland
[2] Ulster Univ, Sch Nursing & Paramed Sci, Belfast Campus,2-24 York St, Belfast BT15 1AP, North Ireland
[3] Ulster Univ, Doctoral Coll, Belfast Campus,2-24 York St, Belfast BT15 1AP, North Ireland