1. University of Nebraska Medical Center, College of Nursing, Omaha, NE, USA
2. Neurology Associates, PC., Lincoln, NE, USA
3. Fast Forward Gym, Omaha, NE, USA
4. Valmont Industries, Valley, NE, USA
5. University of Kansas, Department of Statistics, KS, USA
6. University of Nebraska Medical Center, Department of Allied Health, Omaha, NE, USA