(28)Where there is a reasonable suspicion of a widespread infringement, the competent authorities concerned by that infringement should, by agreement, launch a coordinated action. In order to establish which competent authorities are concerned by a widespread infringement, all relevant aspects of that infringement should be considered, and in particular the place where the trader is established or resides, the location of the trader’s assets, the location of the consumers who were harmed by the alleged infringement, and the place of the points of sale of the trader, namely, shops and websites.