173 Five years of public patient involvement and engagement (PPI/E) at the Arthritis Research UK Centre for Adolescent Rheumatology at UCL, UCLH and GOSH. (12th April 2019) - Wilton, James; Clifford, Caitlin; Nikolaou, Ioannis; Chaplin, Hema; Eleftheriou, Despina; Radziszewska, Ania; Ciurtin, Coziana; Robinson, George; Martin-Gutierrez, Lucia; Sen, Debajit; Kaya, Seyda