Your csv file should be formatted as in the following example. The header must be present!
ID,LIV1,LIV2,LIV3,LIV4,SESSO,ETA,H,P pat2/1,36.0,56.0,41.0,39.0,0,20,1.81,76.0 pat2/2,30.0,55.0,51.0,49.0,1,59,1.49,69.0 pat2/3,21.0,53.0,33.0,39.0,0,73,1.85,80.0
Aortic diameters should be measured in 2D-TTE at end-diastole, perpendicular to the long axis of the aorta, using the leading-edge to leading-edge technique for all levels but aortic annulus, for which the inner-to-inner technique should be used.