Unified interpretation of liver stiffness measurement by M and XL probes in non-alcoholic fatty liver disease Por Wong, Vincent Wai-Sun, Irles, Marie, Wong, Grace Lai-Hung, Shili, Sarah, Chan, Anthony Wing-Hung, Merrouche, Wassil, Shu, Sally She-Ting, Foucher, Juliette, Le Bail, Brigitte, Chan, Wah Kheong, Chan, Henry Lik-Yuen, de Ledinghen, Victor