Judgment of the Court (Grand Chamber) of 12 April 2005 in Case C-145/03 Reference for a preliminary ruling from the Juzgado de lo Social n° 20 de Madrid: Heirs of Annette Keller v Instituto Nacional de la Seguridad Social (INSS) and Others (Social security — Articles 3 and 22 of Regulation No 1408/71 — Article 22 of Regulation No 574/72 — Hospital treatment in a Member State other than the competent Member State — Need for vital urgent treatment — Transfer of the insured person to a hospital institution in a non-member country — Scope of forms E 111 and E 112)