Case C-316/09: Judgment of the Court (Third Chamber) of 5 May 2011 (reference for a preliminary ruling from the Bundesgerichtshof (Germany)) — MSD Sharp & Dohme GmbH v Merckle GmbH (Medicinal products for human use — Directive 2001/83/EC — Prohibition on the advertising to the general public of medicinal products available only on prescription — Definition of ‘advertising’ — Information communicated to the competent authority — Information accessible on the internet)