1. Assistant Professor, Department of Biobehavioral Health and Population Sciences, University of Minnesota Medical School, Duluth, MN, USA
2. Research Assistant, Department of Biobehavioral Health and Population Sciences, University of Minnesota Medical School, Duluth, MN, USA
3. Professor Emeritus, Department of Psychiatry, University of Minnesota Medical School, Duluth, MN, USA
4. Professor, Department of Biobehavioral Health and Population Sciences, University of Minnesota Medical School, Duluth, MN, USA