15 Working method and organisation External experts The NPM has the possibility to call in external expertise for individual visits. External experts are temporarily assigned to the NPM's visit team during the preparation for and execution of one or more visits. They also help to write the visit report and contribute professional advice and competence building to the visit team. In 2016, the NPM was assisted by external experts during two of its visits. Georg Høyer participated as an external expert during the visit to Norgerhaven Prison and Christian Ranheim participated as an external expert during the visit to the adolescent psychiatry clinic at Akershus University Hospital. — External experts are temporarily assigned to the NPM's visit team during the preparation for and execution of one or more visits. The practice of using external experts during visits is set to continue in 2017. External experts in 2016 PLACE VISITED EXTERNAL EXPERT Norgerhaven Prison Georg Høyer, Prof. Dr. med., University of Tromsø, and Norwegian member of the European Committee for the Prevention of Torture (CPT) The adolescent psychiatric clinic at Akershus University Hospital Christian Ranheim, lawyer with extensive experience from the human rights field and torture prevention work —