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;

Peer-review: Considerations to Candal-Pedreira et al.¿s proposals Rafael Dal-Ré;