[1] Univ Cape Verde, Sch Agr & Environm Sci, Praia 7600, Cape Verde
[2] Univ Evora, Sch Social Sci, Dept Management, P-7000803 Evora, Portugal
[3] Univ Inst Lisbon, BRU Business Res Unit, ISCTE, P-1649026 Lisbon, Portugal
[4] Univ Evora, Dept Crop Sci, Sch Sci & Technol, P-7002554 Evora, Portugal
[5] Mediterranean Inst Agr Environm & Dev MED, P-7002554 Evora, Portugal
[6] Univ Nova Lisboa, Res Unit, Mech & Ind Engn Dept, Fac Sci & Technol, P-2910761 Setubal, Portugal
[7] Univ Inst Lisbon, ISCTE Business Sch, P-1649026 Lisbon, Portugal
[8] Univ Evora, Dept Psychol, Sch Social Sci, P-7000803 Evora, Portugal
[9] CIEP Ctr Res Educ & Psychol, P-7000803 Evora, Portugal