Case C-512/17: Judgment of the Court (Fifth Chamber) of 28 June 2018 (request for a preliminary ruling from the Sąd Rejonowy Poznań-Stare Miasto w Poznaniu — Poland) — proceedings brought by HR (Reference for a preliminary ruling — Judicial cooperation in civil matters — Jurisdiction, recognition and enforcement of judgments in matrimonial matters and in the matters of parental responsibility — Regulation (EC) No 2201/2003 — Article 8(1) — Place of habitual residence of the child — Infant — Decisive circumstances for establishing that place of habitual residence)