Text and Data Mining valid from 2019-02-01
Received: 1 March 2018
Revised: 18 April 2018
Accepted: 3 May 2018
First Online: 16 April 2019
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests. The authors declare that they have no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants involved in the study. All enrolled individuals signed an informed consent to participate in the study, donated blood for DNA extraction, and completed a battery of neuropsychological tests and forms for collection of sociodemographic data. The study was approved by the Ethics Committee of the Mental Health Research Center (Moscow, Russia).