Modeling psychological function in patients with schizophrenia with the PANSS: an international multi-center study - Fountoulakis, Konstantinos N; Dragioti, Elena; Theofilidis, Antonis T; Wiklund, Tobias; Atmatzidis, Xenofon; Nimatoudis, Ioannis; Thys, Erik; Wampers, Martien; Hranov, Luchezar; Hristova, Trayana (CNS Specrtum, 2021)