<qa>  What is the name of the third-line clinic in Norway?Methods: Participating centers consist of outpatient clinics and hospital departments from different parts of Norway and one third-line clinic with referrals from all over Norway. Specifically trained clinicians in each center include bipolar patients systematically and perform the patient evaluation as part of their clinical duties. In addition, CT or MRI scans and EEG are performed and blood samples are collected for clinical chemistry screening and for DNA sampling. 