21 Experts in the forensic medicine, psychiatry, psychology, special prevention and internal medicine are also engaged in the NPM work. In the course of 2015, the following experts participated in the NPM activates: professor Đorđe Alimipijević, PhD, specialist in the forensic medicine, Medical School of the University of Belgrade; professor Dragan Ječmenica, PhD, specialist in the forensic medicine, Medical School of the University of Belgrade; Professor Vladimir Jović, PhD, physiatrist, Faculty of Philosophy of the University of Priština / Kosovska Mitrovica and PhD Radomir Samardžić, psychiatrist. Technical contribution of the engaged external experts contributed towards the improvement and elevation of the NPM work, primarily in the composition of the reports and numerous recommendations issued so as to eliminate the observed deficiencies. 4.7. Training of the NPM staff In the course of 2015, representatives of the NPS took part in several seminars and trainings in the asylum, migration, discrimination and international human rights law. With the aim of improving the work and professional development, representatives of the NPM took part in two study visits – study visit to Albania, where they visited prison facilities, as well as the study visit to the Netherlands, where they visited Probation Service, Ministry of Security and Justice and Forensic Institution INFORSA in Amsterdam. More attention should be paid to the professional development of the NPM staff in the future work of the NPM. 4.8. Other forms of cooperation In the course of 2015, the cooperation was established with the Committee on Labour, Social Issues, Social Inclusion and Poverty Reduction, for the purpose of exchange of information on the state of affair and current problems regarding placement of refugees and migrants, with the special focus on vulnerable categories, such as women, children, persons with disabilities, elderly persons, etc. In line with the aforementioned, Deputy Protector of Citizens and NPM representatives attended the sessions of the Committees covering the topic “Placement of asylum seekers in Serbia”, organized due to the increased inflow of refugees from the war stricken territories. The intensive cooperation with the UNHCR Office in Serbia was continued, as well as the cooperation with the association Belgrade Centre for Human Rights and Group 484, all with the aim of the implementation of the activities focusing on the improvement and protection from ill-treatment of refugees / migrants in Serbia.