Fig. 1

Flow chart summarizing the translation and linguistic validation process. Legend: AFSS; Atrial Fibrillation Severity Scale, FT1; Forward translator 1, FT2; Forward translator 2, FT3; Forward translator 3, FT4; Forward translator 4, BT1; Backward translator 1, BT2; Backward translator 2, BT3; Backward translator 3