CRISPR-Cas12a Gene Editing of HBG1 and HBG2 Promoters to Treat β-Thalassemia - Haydar Frangoul; Rabi Hanna; Mark C. Walters; Roy L. Kao; Clinton Carroll; Meghann McManus; Kai-Hsin Chang; Michael C. Jaskolka; Keunpyo Kim; Qifeng Yu; Nnenna Badamosi; Baisong Mei; et al. (New England Journal of Medicine, 2026)