1. Division of Cytotechnology Education, School of Allied Health Professions, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
2. Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA
3. Division of Cytotechnology Education, School of Allied Health Professions, College of Medicine; Department of Pathology and Microbiology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA