COG2 and familial long QT syndrome: For analyses of LDL-C, 383 variants in definitive FH genes overlapped between the UKBB and FOURIER; for analyses of QTc, 439 variants in definitive LQTS genes overlapped between the UKBB and TOPMed; for analyses of HbA1c, 43 variants in common MODY genes overlapped between the UKBB and FOURIER.