[1] Queen’s University Belfast,Centre for Public Health
[2] Institute of Clinical Sciences B,Department of Epidemiology and Biostatistics
[3] Royal Victoria Hospital,UKCRC Centre of Excellence for Public Health
[4] Memorial Sloan-Kettering Cancer,Centre for Statistical Science and Operational Research (CenSSOR)
[5] Research Center,undefined
[6] Queens University Belfast,undefined
[7] Institute of Clinical Sciences B,undefined
[8] Royal Victoria Hospital,undefined
[9] Queen's University Belfast,undefined