1 Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, 801 NE 13th St., CHB 309, Oklahoma City, OK 73104, USA. Electronic address: Amanda-janitz@ouhsc.edu.
2 Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, 801 NE 13th St., CHB 309, Oklahoma City, OK 73104, USA.
3 Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, 1681 Campus Delivery, Fort Collins, CO 80523, USA.
4 School of Nursing and Allied Health Sciences, Southwestern Oklahoma State University, 100 E Campus Dr, Weatherford, OK 73096, USA.