1. Department of Population Health, School of Medicine & Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA
2. Department of Geography & Geographic Information Science, University of North Dakota, College of Arts & Sciences, Grand Forks, ND 58202, USA
3. Department of Earth System Science & Policy, University of North Dakota, John D. Odegard School of Aerospace Sciences, Grand Forks, ND, 58202, USA
4. Department of Pathology, University of North Dakota, School of Medicine & Health Sciences, Grand Forks, ND 58202, USA