The collection of genetic material from the families of 11 missing Greek nationals has been completed, the Presidential Commissioner, Marios Hartsiotis, told CNA on Saturday, speaking following his visit on Thursday 22 October alongside the Greek Deputy Minister of National Defence, Thanasis Davakis, to Argos Orestiko in Kastoria, where they met with the family of Konstantinos Kentras, who went missing during the Turkish invasion of Cyprus in 1974.