CACNA1C and Behcet disease: The only study investigating the impact of CACNA1C on cortical thickness examined 121 BD patients (71 BD type I, 45 BD type II and 5 NOS) and 219 HC using a 1.5 T scanner and reported no effect of CACNA1C rs1006737 on frontal, parietal, temporal or total cortical thickness.32 To our knowledge, our study was the first to exclusively investigate BD type I during euthymia in a group of BD type I patients.