- 91 comments - as regards drug treatment, the CPT invites the Greek authorities to consider the possibility of initiating substitution programmes in prison (paragraph 129); - in the context of medical consultations, the CPT considers it inappropriate to use prisoners as interpreters apart from emergency situations (paragraph 131). requests for information - on the plans to hand over responsibility for prison health-care to the national health service (paragraph 115). Other issues recommendations - staffing levels in all prisons visited to be urgently reviewed and, as necessary, increased to ensure effective control and a safe environment for prisoners and staff (paragraph 132); - the Greek authorities to introduce proper reception and first night procedures as well as an induction process for all prisoners being admitted to a prison, with a priority placed on those establishments which are points of entry to the prison system. The procedures / process should include the provision of introductory information in writing about the prison. Further, foreign-national prisoners should be provided with information in a language they understand (paragraph 136); - the Greek authorities to immediately ensure that all prisoners placed in segregation, for whatever reason, are offered at least one hour of outdoor exercise every day. The outdoor exercise facilities should be sufficiently large for prisoners to exert themselves physically (paragraph 143); - steps to be taken to ensure that all cells in segregation units of the establishments visited have adequate access to natural light (i.e. sufficient to read by during the day in normal conditions) (paragraph 143); - the recommendations made in paragraphs 108 and 110 apply equally to the conditions of detention in segregation units (paragraph 143); - the Greek authorities to review the current practice of searches at Diavata Prison, in the lights of the remarks in paragraph 144 (paragraph 144); - sentenced prisoners to be entitled to at least one hour of visiting time per week, and prisoners whose families live far away to be allowed to accumulate visiting time. Further, visits with a physical separation between the prisoner and the visitor(s) should be the exception rather than the rule (paragraph 148); - appropriate conditions for visits to be provided at Ioannina Prison (paragraph 149);