1. Institute of Environmental Health, Faculty of Medicine, University of Lisbon, Portugal
2. Empresa Portuguesa das Águas Livres, S. A., Direção Laboratórios e de Controlo da Qualidade da Água, Lisbon, Portugal
3. CIIMAR, LA-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Portugal
4. FCUP-Department of Biology, Faculty of Sciences, University of Porto, Portugal