1. General Surgery Research Group, Fundación Cardioinfantil-La Cardio, Bogotá, Colombia
2. School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
3. Department of General Surgery, Fundación Cardioinfantil-La-Cardio, Bogotá, Colombia
4. Vascular Access Group, Fundación Cardioinfantil-La Cardio, Bogotá, Colombia