How many FH genetic tests were performed by the UK Genetic Laboratory Hubs in 2022? - S.E. Humphries; R. Challis; K. Downes; E. Howard; T. Legerton; C. Macanulty; S. Morgan; A. O’Rouke; D. O’Sullivan; A. Taylor-Beadling; E. Thompson; E. Watson; et al. (Atherosclerosis Plus, 2023)