I have worked with a number of datasets which were routinely collected rather than specifically designed for a research project both in the UK [3, 4, 5] and in Taiwan [1, 2, 6]
 V C H Chen, H K L Tan, C-Y Chen, T H H Chen, L-R Liao, C T C Lee, M E Dewey, R Stewart, M Prince, and A T A Cheng. Mortality and suicide after self-harm: community cohort study in Taiwan. British Journal of Psychiatry, 198:31–36, 2011.
 V C H Chen, H K L Tan, A T A Cheng, C-Y Chen, L-R Liao, R Stewart, M E Dewey, and M Prince. Non–fatal repetition of self-harm: population–based prospective cohort study in Taiwan. British Journal of Psychiatry, 196:31–35, 2010.
 Y-F Chen, A J Avery, K E Neil, C Johnson, M E Dewey, and I H Stockley. Incidence and possible causes of prescribing potentially hazardous/contraindicated drug combinations in general practice. Drug Safety, 28:67–80, 2005.
 A N Siriwardena, P Fairchild, S Gibson, T Sach, and M E Dewey. Investigation of the effect of a countrywide protected learning time scheme on prescribing rates of ramipril: interrupted time series study. Family Practice, 24:26–33, 2007.
 S-I Wu, S-C Chen, J M M Juang, C-K Fang, S-I Liu, F-J Sun, K-L Kao, M E Dewey, M J Prince, and R Stewart. Diagnostic procedures, revascularization, and inpatient mortality after acute myocardial infarction in patients with schizophrenia and bipolar disorder. Psychosomatic Medicine, 75:52–59, 2013.