Department of Pediatric Cardiology;
University Hospital of Tübingen;
Tübingen;
Germany;
Faculty of Medicine;
University of Thiès;
Thiès;
Senegal;
Department of Thoracic and Cardiovascular Surgery;
University Hospital of Tübingen;
Tübingen;
Germany;
Louga Regional Hospital;
Louga;
Senegal;
Tetralogy; of; Fallot; Late; Repair; Developing; Country; Non-Governmental; Non-Profit; Organization;