Lauren M Schaefer1, Vivienne M Hazzard2, Stephen A Wonderlich3. 1. Center for Biobehavioral Research, Sanford Research, Fargo, ND 58103, USA; Department of Psychiatry and Behavioral Science, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, USA. Electronic address: lauren.m.schaefer@gmail.com. 2. Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA. 3. Center for Biobehavioral Research, Sanford Research, Fargo, ND 58103, USA; Department of Psychiatry and Behavioral Science, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND, USA.