24 Previously established cooperation with the Association for the Prevention of Torture was continued. Within the annual OSCE member states meeting, held in September 2012 in Warsaw, Serbian NPM practice was presented at the side event on which experiences regarding the functioning of the NPMs in OSCE partner countries have been exchanged. In October 2012 in Odessa, Serbian NPM participated and presented NPM model and organization in Serbia. NPM established cooperation with Criminal - Police Academy of the University of Belgrade, Faculty of Law of the University of Belgrade, Faculty of Special Education and rehabilitation of the University of Belgrade, Faculty of Medicine - University of Belgrade, Medical Associations of Serbia among many others. 5. Execution of the NPM mandate in 2012 During 2012 all necessary requirements for the execution of the Serbian NPM mandate were met based on the intensive preparation activities carried out in accordance with the applicable guidelines. The Protector of Citizens started executing duties of the NPM in 2012. 5.1. Visits to the institutions where persons deprived of liberty are placed In February 2012 the Protector of Citizens, in accordance with the adopted Plan of visits for 2012, started executing tasks of the NPM – by visiting institutions where persons deprived of their liberty are placed, in cooperation with the Ombudsman of the Autonomous Province of Vojvodina and majority of NGOs with whom cooperation agreements have been signed. In the course of 2012, NPM carried out 69 visits to the institutions at which PDLs are held. 47 days were spent in conducting the visits. 41 police stations (within 8 Police Administrations), 8 prisons (including 6 detention units), 4 psychiatric hospitals, 5 stationary-type social welfare institutions, 5 Gerontology centers , as well as 2 visits to shelters for asylum-seekers were visited, and 4 monitoring of the reception of the returnees under the readmission agreements at the Nikola Tesla Airport were conducted. Most of these visits were announced.