1. Universidade Estadual de Campinas (UNICAMP), Faculdade de Ciências Farmacêuticas, Campinas 13083-871, Brazil
2. Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548 Coimbra, Portugal
3. REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, 3000-548 Coimbra, Portugal