Implementation of programmes for the transition of adolescents to adult care Antonio Moreno-Galdó; Maria Creu Regné-Alegret; María Angeles Aceituno-López; María Camprodón-Gómez; Sergi Martí-Beltran; Roser Lara-Fernández; Mireia del-Toro-Riera;

Clinical experience with orphan drugs for rare metabolic diseases Alicia Caso-González; Jesica Núñez-Rodríguez; María-José Nebot-Villacampa; Yared González-Pérez; Raquel Marín-Gorricho; Claudia Leralta-González; Carmen Obaldia-Alaña;

Participant-funded clinical trials on rare diseases Rafael Dal-Ré; Francesc Palau; Encarna Guillén-Navarro; Carmen Ayuso;