1. Department of Mathematics, Federal University of Rio Grande do Norte, Natal, Brazil
2. Onofre Lopes University Hospital, Federal University of Rio Grande do Norte, Natal, Brazil
3. Department of Speech-Language Pathology, Federal University of Rio Grande do Norte, Natal, Brazil
4. Department of Physical Therapy, Onofre Lopes University Hospital, Federal University of Rio Grande do Norte, Natal, Brazil
5. Department of Nutrition, Onofre Lopes University Hospital, Federal University of Rio Grande do Norte, Natal, Brazil, and
6. Department of Integrated Medicine, Onofre Lopes University Hospital, Federal University of Rio Grande do Norte, Natal, Brazil