In these 14 Member States, therefore, it is unclear for patients exactly which treatments are subject to prior authorisation, since the use of at least one of these criteria - and sometimes both - has not been elucidated by national authorities.
Por tanto, en estos 14 Estados miembros los pacientes no siempre saben exactamente qué tratamientos requieren autorización previa, ya que el recurso a al menos uno de esos criterios -y a veces, a ambos- no ha sido precisada por las autoridades nacionales.