Global Atrial Fibrillation Drugs Market By Type (Anti-Arrhythmic Drugs , and Anti-Coagulant Drugs), By Application (Paroxysmal Atrial Fibrillation , Persistent Atrial Fibrillation , and Longstanding Persistent Afib), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029