International judicial competence in consumer actions against air companies. Commentary to the authors of the Court of Commercial of Madrid of 25/9/2018, 4/10/2018, 9/10/2018, 18/10/2018 and the judgment of the Provincial Hearing of Girona on 27/9/2018. Cuad. derecho transnac. 2019;11(2):718-726. doi:10.20318/cdt.2019.5015