Polyclonal selection of immune checkpoint mutations in thyroid autoimmunity - Pantelis A. Nicola; Andrew R. J. Lawson; Alexandra Tidd; Juliette Imbert; Yoshihiro Ishida; Luke A. Wylie; Paul A. Scott; Kenny Roberts; Luke M. R. Harvey; Stefanie V. Lensing; Wei Cheng; Federico Abascal; et al. (Nature, 2026)