LETTER TO THE EDITOR: RESPONSE BY WAISSI ET AL REGARDING ARTICLE, “ELEVATED LP(A) (LIPOPROTEIN[A]) LEVELS INCREASE RISK OF 30-DAY MAJOR ADVERSE CARDIOVASCULAR EVENTS IN PATIENTS FOLLOWING CAROTID ENDARTERECTOMY” Article Waissi F., De Kleijn D.P.V., Kroon J. Stroke: a Journal of Cerebral Circulation. Lippincott Williams & Wilkins. 2021. P. E66-E67