1. Laboratory of Clinical Neurophysiology AHEPA Hospital Aristotle University of Thessaloniki Thessaloniki Greece
2. Clinical Research and Evidence‐Based Medicine Unit Second Medical Department Aristotle University of Thessaloniki Thessaloniki Greece
3. Hematology Department‐BMT Unit G. Papanicolaou Hospital Thessaloniki Greece
4. Department of Hygiene, Social and Preventive Medicine and Medical Statistics Medical School Aristotle University of Thessaloniki Thessaloniki Greece
5. Neurology Department G. Papanicolaou Hospital Thessaloniki Greece