CYP2B6 and transient ischemic attack: CYP2B6: Cytochrome P450 2B6; DAPT: Dual Antiplatelet Therapy; SAPT: Single Antiplatelet Therapy; TIA: Transient Ischemic Attack; HR: Hazard Ratio; CI: Confidence Interval; POINT: Platelet-Oriented Inhibition in New TIA and Minor Ischemic Stroke; mRS: Modified Rankin Scale; OR: Odds Ratio; MI: Myocardial Infarction; LAA: Large Artery Atherosclerosis; RCT: Randomized Controlled Trial