Changes in heart rate variability after ventricular septal defect closure in children. Where do we stand? Adaptation mechanism, sequela or complications? Fátima F. Pinto;

Mechanical circulatory support in children: Strategies, challenges and future directions Susana Abreu; Catarina Brandão; Conceição Trigo; Rui Rodrigues; Fátima Pinto; José Fragata;

Protocol-based cardiotoxicity monitoring in hydroxychloroquine medicated COVID-19 pediatric patients Inês Hormigo; Tiago Milheiro Silva; Sérgio Laranjo; Conceição Trigo; Ana Margarida Garcia; Catarina Gouveia; Maria João Brito;