The ISSON20 language will be English.

Registration and On-site Registration

Attendees can pick up their personal congress material at the registration desk.
If you register on-site at the registration desk you can pay by cash.
All conference participants including invited speakers must register for the conference and receive an official badge.
Every participant must wear an official conference badge to enter the conference rooms of the ISSON20.

Visas - Invitation Letters
If you need a visa, the organization will be pleased to provide you with an Invitation Letter for your application. Visa applications have to be done by yourself to the nearest Greek embassy or consulate which are going to inform you regarding the requirements and documents that are needed. Please ensure that is sufficient time left for the applications to be completed. More information about Visas can be found here.

Be aware that we won‘t be able to contact directly embassies or consulates and the participant is sole responsible to apply and follow up on his Visa application.

In order to provide you with an Invitation Letter, the following requirements have to be fulfilled:

  • Be an author of an accepted abstract
  • Have paid the advanced registration fee for this conference

Provided information needed for the invitation letter

  • Your full name (please specify family name and given name)
  • Title (Dr. Prof. Mr. Ms)
  • Organization
  • Full mailing address
  • Telephone and fax number
  • Email address
  • Additional information such as the title of the abstract
  • Copy of the bank transfer

Low-Cost Flights

Low-cost flights to Thessaloniki can be found in the following airlines' websites - Aegean Airlines, Ryanair, EasyJet, Olympic Airlines.


The currency is EURO (€). The official exchange rate is published daily in the newspapers. Cash and travelers' checks are easily exchanged in banks and hotels. Most hotels and restaurants accept international credit cards.


The ISSON19 organizing committee cannot be held responsible for any changes in the program due to circumstances beyond their control.


The organizers do not accept liability for any loss of or damage to the personal effects of delegates attending the event. The organizers reserve the right to cancel, defer or modify the event proceedings without prior notice.

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ISSON is Supported by

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Under the Auspices of

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