1. Federal Rural University of Pernambuco-UFRPE, Brazil
2. Federal University of Pernambuco-UFPE, Brazil
3. Federal University of Piauí, Brazil
4. University of Pernambuco-UPE, Brazil
5. University of Genoa, Department of Civil, Italy
6. Federal Rural University of Pernambuco-UFRPE, Brazil; Federal University of Pernambuco-UFPE, Brazil