1 Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Macedonia, Greece. jannis@auth.gr.
2 Second Department of Neurology, AHEPA University General Hospital - Department of Neurosciences, Aristotle University - School of Medicine, GR 54124, Thessaloniki, Macedonia, Greece.
3 Midwifery Department, School of Healthcare Sciences, University of West Macedonia, 50100, Koila, Kozani, Macedonia, Greece.
4 Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Macedonia, Greece.