[1] Swansea Univ, Med Sch, Natl Ctr Populat Hlth & Wellbeing Res, Swansea, W Glam, Wales
[2] Publ Hlth Wales, Knowledge Directorate, Res & Evaluat Div, Cardiff, Wales
[3] Cardiff Univ, Sch Med, Div Populat Med, Cardiff, Wales
[4] Univ Aberdeen, Ctr Hlth Data Sci, Aberdeen, Scotland
[5] Swansea Univ, Med Sch, Hlth Data Res UK, Populat Data Sci, Swansea, W Glam, Wales