1. Translational Clinical Physiology Unit, Instituto de Medicina Molecular, Avenida Professor Egas Moniz; University of Lisbon; 1649-028 Lisbon Portugal
2. Department of Medical Rehabilitation; Hospital de Santa Maria-Centro Hospitalar Lisboa Norte (CHLN); Lisbon Portugal
3. Center of Acquisition and Signal Processing, Instituto Superior Técnico; University of Lisbon; Lisbon Portugal
4. Department of Neurosciences; Hospital de Santa Maria-CHLN; Lisbon Portugal