1. Fayetteville Gastroenterology Associates, Fayetteville, NC, USA
2. Cumberland Research Associates, Fayetteville, NC, USA
3. Doctor of Medical Science Program, University of Lynchburg, Lynchburg, VA, USA
4. Department of Mathematics, Fayetteville State University, Fayetteville, NC, USA
5. High Point University School of Pharmacy, High Point, NC, USA
6. Samford University, Birmingham, AL, USA