1 Department of Physiotherapy, University of West Attica, 28, Ag. Spyridonos street, 12243 Athens, Greece. Electronic address: mpapad@uniwa.gr.
2 First Department of Neurology, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, 72, Vas. Sofias avenue, 11528 Athens, Greece. Electronic address: gkpapad@yahoo.gr.
3 Department of Neurology, Ygeias Melathron, 4, Therianou street, 11473 Athens, Greece. Electronic address: chatzioanna@gmail.com.
4 Second Department of Psychiatry, University of Athens Medical School, Attikon University General Hospital, 1, Rimini street, 12462 Athens, Greece. Electronic address: yanmih@yahoo.com.
5 Laboratory of Electromyography and Clinical Neurophysiology, First Department of Neurology, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, 72, Vas. Sofias avenue, 11528 Athens, Greece. Electronic address: nekaran@hotmail.com.