1. REQUIMTE/LAQV, Dept. of Chemical Sciences, Faculty of Pharmacy; Univ. of Porto; Rua Jorge Viterbo Ferreira, 228 4050-313 Porto Portugal
2. FP-ENAS (UFP Energy, Environment and Health Research Unit), CEBIMED (Biomedical Research Center); Univ. Fernando Pessoa; Praça 9 de Abril, 349 4249-004 Porto Portugal
3. Mountain Research Centre (CIMO), ESA, Polytechnic Inst. of Bragança; Campus de Santa Apolónia; 5300-253 Bragança Portugal