1. Department of Health Education and Promotion, East Carolina University, College of Health and Human Performance , 238 Rivers West, Greenville, NC 27858, USA
2. Department of Biostatistics, East Carolina University, College of Allied Health Sciences , 2150 West 5th Street, Greenville, NC 27858, USA
3. Department of Pediatrics, East Carolina University, Brody School of Medicine , 600 Moye Blvd, Greenville, NC 27858, USA
4. Department of Emergency Medicine, East Carolina University, Brody School of Medicine , 600 Moye Blvd, Greenville, NC 27858, USA