The building of the linked datasets, and the development
of the analytical software used to study disease
associations, was funded by the English National
Institute for Health Research. This study had no specific
funding. The funder had no role in study design,
data collection, data analysis, data interpretation,
writing of the report or for the decision to submit for publication. The views expressed in the paper do not
necessarily reflect those of the funding body. K.S. has
been supported by a Higher Education Funding
Council for England Clinical Senior Lectureship
Award