sentences:  He further contributes to the debate and the reflection on current and important human rights matters through contacts with the media, the publication of periodic articles and thematic documents.As part of country visits, thematic work and awareness raising activities, the Commissioner pays a specific attention to the defence of human rights activists and engages in close co-operation with other Council of Europe bodies and with a broad range of international institutions, most importantly the United Nations and its specialised offices, the European Union and the Organization for Security and Co-operation in Europe (OSCE).The office also cooperates closely with national human rights structures, leading human rights NGOs, universities and think tanks.