1. Postgraduate Program of Health Science, Federal University of Maranhão, São Luís, Brazil;
2. Nephrology Division, University Hospital of Federal University of Maranhão, São Luís, Brazil;
3. Department of Nursing, Federal University of Maranhão, São Luís, Brazil;
4. Department of Nutrition, Federal University of Maranhão, São Luís, Brazil;
5. Department of Pathology, Federal University of Maranhão, São Luís, Brazil;
6. Department of Public Health, Federal University of Maranhão, São Luís, Brazil;
7. Cardiology Division, University Hospital of Federal University of Maranhão, São Luís, Brazil;
8. Department of Medicine I, Federal University of Maranhão, São Luís, Brazil