1. Visual Computing Laboratoty, Information Technologies Institute-CERTH, Greece
2. CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
3. Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
4. Faculdade de Motricidade Humana, Universidade de Lisboa/Khalifa University, Portugal and Khalifa University, United Arab Emirates
5. Third Neurological Clinic, Papanikolaou Hospital, Greece
6. Third Neurological Clinic, Third Neurological Clinic Papanikolaou Hospital Thessaloniki Greece, Greece