Fig. 4

Lumen width data (in pixels) for all cases in the study (32 healthy controls (HC01-HC32) and 20 type 1 diabetic patients (DM01-DM20)). Color bars, from left to right: “Basal 1” (blue), “Contra” (green - contralateral stimulation), “Basal 2” (blue), and “Ipsi” (red - ipsilateral stimulation).