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” СтатьяWaissi F., De Kleijn D.P.V., Kroon J.Stroke: a Journal of Cerebral Circulation. 2021. С. E66-E67