1. Piracicaba Dentistry School (FOP/UNICAMP), Department of Physiologic Science, C.P. 52; Zip-code: 13414-903, Piracicaba, SP, Brazil
2. Federal University of Alfenas; Zip-code 37130-000, Alfenas, MG, Brazil
3. College of Agriculture ‘Luiz de Queiroz’ (ESALQ/USP), C.P. 9; ZIP-CODE: 13418-900, Piracicaba, SP, Brazil
4. Apiários Almar e Essenciale LTDA, Maceió, AL, Brazil