1. Postgraduate Program in Health Science, Federal University of Maranhão, São Luís, MA, Brazil
2. Aldenora Bello Cancer Hospital, São Luís, MA, Brazil
3. Oncology Research Center, Federal University of Pará, Belém, PA, Brazil
4. Research Institute Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
5. Tissue Culture and Cytogenetics Laboratory, Institute of Evandro Chagas, Belém, PA, Brazil
6. Department of Physiological Sciences, Federal University of Maranhão, São Luís, MA, Brazil
7. Laboratory of Genetics and Molecular Biology, Department of Biology, Federal University of Maranhão, São Luís, MA, Brazil