1 Faculty of Medicine and Biomedical Medicine, University of Algarve, Portugal.
2 Hospital do Litoral Alentejano, Santiago do Cacém, Portugal.
3 Faculty of Medicine and Biomedical Medicine, University of Algarve, Portugal; Algarve Biomedical Center, Algarve, Portugal.
4 Faculty of Medicine and Biomedical Medicine, University of Algarve, Portugal; Algarve Biomedical Center, Algarve, Portugal. Electronic address: hjnzwalo@ualg.pt.