(2019-01-01) Ejebu, Ourega; Whybrow, Stephen; Mckenzie, Lynda; Dowler, Elizabeth; Garcia, Ada L.; Ludbrook, Anne; Barton, Karen Louise; Wrieden, Wendy Louise; Douglas, Flora; University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Rowett Institute; University of Aberdeen.Health Economics Research Unit; University of Aberdeen.Farr Aberdeen; University of Aberdeen.Institute of Applied Health Sciences