1 Fundación Cardioinfantil, Instituto de Cardiología, Colombia. Electronic address: gtroncoso@lacardio.org.
2 Department of Pediatrics, School of Medicine, Universidad de La Sabana, Neonatal Unit, Fundación Cardioinfantil - LaCardio, Colombia. Electronic address: sergio.agudelo1@unisabana.edu.co.
3 School of Medicine, Universidad de La Sabana, Colombia.