Case C-237/18: Order of the Court (Third Chamber) of 18 July 2018 (request for a preliminary ruling from the Tribunal de première instance de Liège — Belgium) — Pauline Stiernon and Others v Etat belge, SPF Santé publique, Communauté française de Belgique (Reference for a preliminary ruling — Article 99 of the Rules of Procedure of the Court of Justice — Freedom of movement for workers — Freedom to choose an occupation — Articles 20, 21 and 45 TFEU — Charter of Fundamental Rights of the European Union — Article 15 — Profession of psychomotor therapist not included in the national list of allied health professions)