1. Department of Physiology and PharmacologyUniversidade Federal de Pernambuco50670901RecifeBrazil
2. Department of NutritionUniversidade Federal de Pernambuco50670901RecifeBrazil
3. Unit of Medical HistologyInstitute of Neuroscience and Dept Cell BiologyPhysiology and Immunology, Autonomous University of BarcelonaSpain