1. Cardiology Service, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte and Cardiovascular Centre at Universidade de Lisboa, Faculty of Medicine, Lisbon, Portugal;
2. Translational Clinical Physiology Unit, Instituto de Medicina Molecular, Universidade de Lisboa, Lisbon, Portugal;
3. Programme for Advanced Medical Education, Fundação Calouste Gulbenkian, Ministry of Health and Foundation for Science and Technology, Lisbon, Portugal;
4. Institute of Nuclear Medicine, Faculty of Medicine, Universidade de Lisboa, Lisbon, Portugal;
5. Neurology Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal