[1] Univ Beira Interior, Hlth Sci Res Ctr, Av Infante Henrique, P-6200506 Covilha, Portugal
[2] Univ Mandume Ya Ndemufayo, Fac Med, Lubango, Angola
[3] Univ Beira Interior, Fac Hlth Sci, Covilha, Portugal
[4] Hlth Prod Res & Dev Lda, Covilha, Portugal
[5] Univ Coimbra, Ctr Neurosci & Cell Biol, Rua Larga, P-3004504 Coimbra, Portugal