In accordance with the existing health protocols in Greece, kindly please note that participants who wish to enter the congress area and attend the seminar, must present a certificate of full vaccination or a certificate of recovery from COVID-19 (valid not more than 90 days from the date of the first positive swab) to the seminar secretariat upon their arrival. Concerning the COVID-safety protocols for travelers, please see details at the following link: https://travel.gov.gr/