[1] Univ Manchester, Manchester Acad Hlth Sci Ctr, NIHR Patient Safety Translat Res Ctr, Manchester M13 9PL, Lancs, England
[2] Univ Exeter, Sch Med, Pen CLAHRC, Inst Hlth Serv Res, Exeter, Devon, England
[3] Radboud Univ Nijmegen, Med Ctr, Sci Inst Qual Healthcare, NL-6525 ED Nijmegen, Netherlands
[4] Med Univ Lodz, Dept Family & Community Med, Lodz, Poland