1. Group
of Health Surveillance, Center of Pharmaceutical Studies, Faculty
of Pharmacy, University of Coimbra, Polo III, Azinhaga de Sta. Comba, 3000-548 Coimbra, Portugal
2. REQUIMTE, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal