1. Department of Neurology, School of Medicine, University of Zagreb, Zagreb, Croatia
2. Children’s Hospital Zagreb, Zagreb, Croatia
3. Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
4. Department of Neurology, Referral Center for Autonomic Nervous System Disorders, University Hospital Center Zagreb, Zagreb, Croatia
5. Department of Pediatrics, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
6. Faculty of Electrical Engineering and Computing, University of Zagreb, Zagreb, Croatia