30 4.6. Participation of external experts in s NPM activities The NPM teams for visits to the institutions where persons deprived of their liberty are placed, should have a multidisciplinary character. The representatives of the Protector of Citizens, Provincial Protector of Citizens and associations within the teams visiting the institutions accommodating persons deprived of their liberty are predominantly formed of lawyers, and therefore, the efficient performance of NPM requires outsourcing of other experts. Experts in the forensic medicine, psychiatry, psychology, special prevention and internal medicine are also engaged in the NPM work. In 2016, the following persons participated in the work of NPM: 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 Snežana Pavlekić, PhD, specialist in 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 Dr Radomir Samardžić, specialist psychiatrist and Dr Mira Petrović, specialist psychiatrist. The expertize of the outsourced professionals contributed to the improvement and raising the quality of NPM work, primarily the generated reports and numerous recommendations for elimination of identified deficiencies. 4.7. Training of the NPM staff In the course of 2016, NPM representatives attended the seminar for Monitoring of forced return operations. The two-day seminar was held in Warsaw, in the organization of Border and Coast Guard Agency FRONTEX. The study visit to the Human Rights Defender in Armenia was also organized. During the visit, the representatives of the Protector of Citizens paid special attention to exercising of rights and protection of rights of persons deprived of their liberty and understanding the modus operandi of the National Preventive Mechanism in Armenia. Joint visits were also organized to the institutions where persons deprived of their liberty are being placed (the prison and police detention). The NPM representative passed the training on migrations and the law on international human right organized by the NGO Group 484 and the Organization for Security and Cooperation in Europe OSCE, tackling the issue of protection for migrants before international courts and the current development of European law in this field.