Toward Generalizable and Transdiagnostic Tools for Psychosis Prediction: An Independent Validation and Improvement of the NAPLS-2 Risk Calculator in the Multisite PRONIA Cohort

Nikolaos Koutsouleris, Michelle Worthington, Dominic Dwyer, Lana Kambeitz‐Ilankovic, Rachele Sanfelici, Paolo Fusar‐Poli, Marlene Rosen, Stephan Ruhrmann, Alan Anticevic, Jean Addington, Diana O. Perkins, Carrie E. Bearden, Barbara A. Cornblatt, Kristin S. Cadenhead, Daniel H. Mathalon, Thomas H. McGlashan, Larry J. Seidman, Ming T. Tsuang, Elaine F. Walker, Scott W. Woods, Peter Falkai, Rebekka Lencer, Alessandro Bertolino, Joseph Kambeitz, Frauke Schultze‐Lutter, Eva Meisenzahl, Raimo K. R. Salokangas, Jarmo Hietala, Paolo Brambilla, Rachel Upthegrove, Stefan Borgwardt, Stephen J. Wood, Raquel E. Gur, Philip McGuire, Tyrone D. Cannon