Cognitive training for older prisoners: a qualitative analysis of prisoners' and staff members' perceptions.

"Conflict of interest A-KF and EK are authors of the cognitive intervention series NEUROvitalis (ProLog, Cologne), but receive no corresponding honoraria. EK has received honoraria from ProLog Wissen GmbH, Cologne, Germany; Kyowa Kirin Services LTD, London, United Kingdom; AbbVie Inc., as well as from the Movement Disorders Society; and has received grants from German Ministry of Education and Research (BMBF); German Parkinson Society; German Alzheimer’s Society; Federal Joint Committee (G-BA); and STADAPHARM GmbH. A-KF has received honoraria from Springer Medizin Verlag GmbH, Heidelberg, Germany; Springer-Verlag GmbH, Berlin; ProLog Wissen GmbH, Cologne, Germany; LOGOMANIA Fendt and Sax GbR, Munich, Germany; Bundesverband Klinische Linguistik e.V., Coburg, Germany; Hochschule Fresenius, Düsseldorf, Germany; as well as Seminar- und Fortbildungszentrum Rheine, Germany; and has received grants from the German Parkinson Society; the German Parkinson Foundation, the German Alzheimer’s Society; Federal Joint Committee (G-BA); and STADAPHARM GmbH. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"The author(s) declare that no financial support was received for the research, authorship, and/or publication of this article."