Analysis of individual patient data from Randomised Controlled Trials and Electronic Routinely Collected data. Methodological aspects of health technology assessment in paediatric and early life interventions, incorporating long term economic implications,The use of Patient Level Information and Costing System (PLICS) data collection alongside RCTs. Methodologies of improving health outcomes in relation to health care using routinely collected NHS electronic records data to facilitate greater integration between NHS records and applied research processes.Health policy research and healthcare systems, providing data and observations about how policy changes could contribute to better outcomes through economies of scale.