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. 2020 Apr 17;179(10):1569–1577. doi: 10.1007/s00431-020-03643-2

Fig. 4.

Fig. 4

Visualization of the starting point of the curve and the resulting sinusoid curve; the outline was made with the slices shown in Fig. 4b. a Plane on 0 cm height; this figure shows how the starting point of the curve is determined. Also, the degrees of the circle/outline are added, which are represented in the curve. b Plane on 4 cm height; this figure shows the starting point and the direction of the curve. c The resulting curve. The different variables are marked. Curve starts at the occiput (SP; Fig. 4b) and follows the skull outline (on CT scan) clockwise; therefore, the first trough represents the right side of the head. The second peak is the forehead; the second trough is the left side of the head. Curve stops where it started (at the occiput).