4. In compliance with the Spanish Organic Law 15/1999 on the Protection of Personal Data, we inform the user that the personal information provided voluntarily to the Technical Secretariat of the Conference will be stored in a database created and maintained by the Secretariat. Answers are mandatory. The right to access, rectify and cancel these data can be exercised by writing to Fase 20 Congresos Argentina Calle. Arenales 843. Piso 2 departamento 7 RETIRO 1061 CABA or by email, addressed to firstname.lastname@example.org attaching a copy of your Identity Card (ID) or equivalent.