1. Department of Medicine, Federal University of Sergipe , Lagarto 49400-000 , Brazil
2. Applied Health Sciences Graduate Program, Federal University of Sergipe , Lagarto 49400-000 , Brazil
3. Health Sciences Graduate Program, Federal University of Sergipe , Aracaju 49060-676 , Brazil
4. Department of Statistics and Actuarial Sciences, Federal University of Sergipe , Aracaju 49107-230 , Brazil