[1] Northumbria Univ, Natl Inst Hlth & Care Res NIHR, Dept Nursing Midwifery & Hlth, Appl Res Collaborat North East & North Cumbria NI, Coach Lane Campus East,Room H213, Newcastle U Tyne NE7 7XA, England
[2] UK Poverty Truth Network, Derby, England
[3] Univ Glasgow, MRC CSO Social & Publ Hlth Sci Unit, Glasgow, Lanark, Scotland
[4] Univ Glasgow, MRC CSO Social & Publ Hlth Sci Unit, Publ Hlth & Hlth Inequal, Glasgow, Lanark, Scotland
[5] Newcastle Univ, Fac Med Sci, Populat Hlth Sci Inst, Social Gerontol, Newcastle Upon Tyne, Tyne & Wear, England
[6] Newcastle Univ, Fac Med Sci, Populat Hlth Sci Inst, Newcastle Upon Tyne, Tyne & Wear, England
[7] Univ Manchester, Sch Social Sci, Div Populat Hlth Hlth Serv Res & Primary Care, Hlth Econ, Manchester, Lancs, England
[8] St Nicholas Hosp, CNTW NHS Fdn Trust, Appl Res Collaborat North East & North Cumbria NI, Natl Inst Hlth & Care Res NIHR, Newcastle Upon Tyne NE3 3XT, Tyne & Wear, England
[9] Univ Liverpool, Inst Populat Hlth, Dept Publ Hlth Policy & Syst, Liverpool, Merseyside, England
[10] Univ Glasgow, MRC CSO Social & Publ Hlth Sci Unit, Publ Hlth Evaluat Inequal & Hlth, Glasgow, Lanark, Scotland