New testimony has shed light on the final days of Giorgos Mazonakis, with hypnotherapist Nasos Komianos telling an investigating magistrate that the singer had questioned a plasmapheresis treatment costing up to €6,000 before his death.New testimony has shed light on the final days of Giorgos Mazonakis, with hypnotherapist Nasos Komianos telling an investigating magistrate that the singer had questioned a plasmapheresis treatment costing up to €6,000 before his death.