Reply To: MMN
International chapters and contact info can be found here:
http://www.gbs-cidp.org/wp-content/uploads/2013/10/GBS-Directory0613.pdf
Here are some specialists in Greece that may be able to help or provide referrals:
http://www.neurology.org/cgi/content/meeting_abstract/78/1_MeetingAbstracts/P05.159
I hope you find the support you need.