1. Department of Psychology, University of Georgia, Athens, GA
2. Department of Systems Science and Industrial Engineering and Center for Collective Dynamics of Complex Systems, Binghamton University, Binghamton, NY
3. Department of Psychiatry and Behavioral Sciences, University of Nevada, Reno School of Medicine, Reno, NV
4. Department of Psychology, University of Nevada, Las Vegas, Las Vegas, NV
5. Department of Psychiatry and Maryland Psychiatric Research Center, University of Maryland School of Medicine, Baltimore, MD