[1] Univ Liverpool, Dept Primary Care & Mental Hlth, Liverpool, Merseyside, England
[2] NIHR ARC NWC, Liverpool, Merseyside, England
[3] Maastricht Univ, Care & Publ Hlth Res Inst, Dept Hlth Serv Res, Maastricht, Netherlands
[4] Living Lab Ageing & Long Term Care, Maastricht, Netherlands
[5] Tilburg Univ, Tilburg Sch Social & Behav Sci, Tranzo Dept, Tilburg, Netherlands
[6] Radboud Univ Nijmegen, Med Ctr, Dept Primary & Community Care, Radboudumc Alzheimer Ctr,Radboud Inst Hlth Sci, Nijmegen, Netherlands