Validation and Generalizability of Self-Supervised Image Reconstruction Methods for Undersampled MRI. - Thomas Yu; Tom Hilbert; Gian Franco Piredda; Arun Joseph; Gabriele Bonanno; Salim Zenkhri; Patrick Omoumi; Meritxell Bach Cuadra; Erick Jorge Canales-Rodríguez; Tobias Kober; Jean-Philippe Thiran (CoRR, 2022)