Please see the publication Rubio et al (In Submission), on exacerbations of COPD (chronic obstructive pulmonary disease).
Rubio, Noah; Parker, Richard A.; Drost, Ellen; Pinnock, Hilary; Weir, Christopher J.; Hanley, Janet; Mantoani, Leandro C.; MacNee, William; McKinstry, Brian; Rabinovich, Roberto A.; McCloughan, Lucy. (2017). Data supporting Rubio et al on exacerbations of COPD, [dataset]. University of Edinburgh. Usher Institute of Population Health Sciences and Informatics.