1. Obesity ResearchLilly Research LaboratoriesIndianapolis Indiana USA
2. Metabolic Diseases InstituteDivision of EndocrinologyDepartment of MedicineUniversity of CincinnatiCincinnati Ohio USA
3. Department of Physiology-InstitutoInvestigacion SanitariaUniversity of Santiago de CompostelaSantiago de Compostela Spain
4. Department of Neuroscience and Cell BiologyUniversity of MedicineDentistry at New Jersey-Robert Wood Johnson Medical SchoolPiscataway New Jersey USA