P1493: CHRONIC COMPLICATIONS IN THE EAST LONDON SICKLE NEWBORN COHORT STUDY (ELSNCS). (23rd June 2022) - Sangarappillai, C.; Soriano, M.; Bestwick, J.; Kafuko, D.; Newell, K.; Kaya, B.; Bennett, S.; Barroso, F.; Tsitsikas, D.; Telfer, P.