Training in Cardiopulmonary Resuscitation and in-Hospital Cardiopulmonary Arrest Treated in A Second-Level Hospital in Spain - Ion Koldobika Iribar Diéguez; Jon Gil Barreiro; Irati Lanceta Barandiarán; Daniel Uzal Escudero; Aitziber Tranche Aristizabal; Ibai Mauduit Aznar; Irati Arístegi Sánchez; Itziar González Etxepare; María Gómez Martínez; Igor Garín Martín (Journal of Health Science and Reports, 2026)