Husada M.S., Medicine Program, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Rambe A.S., Department of Neurology, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Effendy E., Department of Psychiatry, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Ichwan M., Department of Pharmacology, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Malik K., Department of Psychiatry, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Munir D., Department of Pharmacology, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Surbakti K.P., Department of Psychiatry, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia; Amin M.M., Department of Psychiatry, Faculty of Medicine, Universitas Sumatera Utara, North Sumatra, Medan, Indonesia