Exploring low clozapine C/D ratios, inverted clozapine-norclozapine ratios and undetectable concentrations as measures of non-adherence in clozapine patients

Can‐Jun Ruan, I. Cánovas Olmos, Carina Ricciardi, Georgios Schoretsanitis, Philippe Vincent, A. Elif Anıl Yağcıoğlu, Chin B. Eap, Trino Baptista, Scott R. Clark, Emilio Fernández-Egea, Se Hyun Kim, Hsien‐Yuan Lane, Jonathan G. Leung, Olalla Maroñas, Mariano Motuca, Susanna Every‐Palmer, Ric M. Procyshyn, Christopher Rohde, Satish Suhas, Peter F.J. Schulte, Edoardo Spina, Hiroyoshi Takeuchi, Hélène Verdoux, Christoph U. Correll, Espen Molden, Carlos De las Cuevas, José de León