Cognitive Enhancement Therapy vs social skills training in schizophrenia: a cluster randomized comparative effectiveness evaluation oleh Russell K. Schutt, Haiyi Xi, Kim T. Mueser, Matthew A. Killam, Jonathan Delman, Shaun M. Eack, Raquelle Mesholam-Gately, Sarah I. Pratt, Luis Sandoval, Meghan M. Santos, Laura R. Golden, Matcheri S. Keshavan