(2018-10) MacLeod, Angus D.; Henery, Rachel; Nwajiugo, Paul C.; Scott, Nicholas W.; Caslake, Robert; Counsell, Carl E.; University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Chronic Disease Research Group; University of Aberdeen.Grampian Data Safe Haven (DaSH); University of Aberdeen.Institute of Applied Health Sciences; University of Aberdeen.Aberdeen Centre for Health Data Science