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

Pediatric research in Spain: Challenges and opportunities Laura Moreno-Galarraga; Cesar Gracía Vera; Irene Rivero-Calle; Federico Martinón-Torres; Ignacio Diez López; Fernando Cabañas; Cristina Calvo;

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;