|Category||Until December 30*||Until June 2||After June 2|
|Professional||€ 250||€ 300||€ 450|
|Student**||€ 150||€ 150||€ 200|
|Accompanying person***||€ 200||€ 250||€ 300|
Fee includes lunch, social events, abstracts book, certificates.
*Participants registered until 12/30/2016 for the cancelled Istanbul congress will pay the same fee if their make their registration in Lisbon until June 2.
**The student fee does not include social events except the concert. Students who would like to attend the social events will pay the additional fee of 150 Euros.
***The accompanying persons fee does include social events and lunch during the conference.