Delegates from outside EU member states requiring a visa to enter the host country of the congress will be issued an invitation letter by the congress office upon request. Please address this request to This email address is being protected from spambots. You need JavaScript enabled to view it..

The invitation letter will be issued from the host country of the congress. Please note, that an invitation letter will only be issued to those participants who have paid the registration fee in full.

Please book your embassy appointment as early as possible, as depending on the embassy, it could take up to three months to get an appointment.

We encourage participants from Iran to contact the honorary consulate in Tehran early in advance to secure an appointment at the consulate.