“…Great geographical, regional and temporal variation in the use of diagnostic imaging [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ] indicates that there is both underuse and overuse of imaging services [ 11 , 12 , 13 ]. Moreover, 113 ordinary high-volume imaging examinations have been identified as low-value care by the Choosing Wisely Initiative [ 14 ].…”