The professionals interviewed thought that undergraduate training was sufficient, and rejected postgraduate training as unnecessary and unfeasible. The search for active information through Internet was the best way to obtain data to optimize criteria for patient referral. As such, the Information System for Rare Diseases in Spanish (Sistema de Información de Enfermedades Raras en Español, SIERE) (http://iier.isciii.es/er) meets the demands for information.
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