1. Research Service, V.A. Greater Los Angeles Healthcare System, North Hills, CA 91343, USA
2. Department of Psychology, University of California, Los Angeles, CA 90024, USA
3. A.B. Kogan Research Institute for Neurocybernetics, Rostov State University, Rostov‐on‐Don, Russia
4. Department of Medicine, School of Medicine, University of California, Los Angeles, CA 90024, USA