Europe Holter ECG Market Forecast to 2028 - COVID-19 Impact and Regional Analysis by Component (Products, Software & Solutions, Services, and Accessories), Application (Diagnostics and Monitoring), Indication [Atrial Fibrillation (AF), Cardiac Arrest, Patients with Pacemakers, and Others], Channel (3 Channel ECG System; 5,6 & 7 Channel ECG System; 12 Channel ECG System; and Others), and End User (Hospitals & Clinics, Home Settings, Ambulatory Surgical Centers, and Others)