Recruitment Of The Service Of The Clinical Research Organization (Hereinafter, Cro) Specialized In Clinical Research For The Start-Up, Assistance In Monitoring, Management And Biostatistical Analysis Of The Clinical Trial Ici22/00064 “Chemical Optimization Of Cerebral Embolectomy In Patients With Acute Stroke Treated With Mechanical Thrombectomy-2” (Choice-2), For The Fundació De Recerca Clínic Barcelona - Institut D'Investigacions Biomèdiques August Pi I Sunyer. (EXPIRED)