1. Department of Physiology; School of Medicine of Ribeirao Preto; University of Sao Paulo; Ribeirao, Preto SP Brazil
2. Section on Endocrine Physiology; National Institute of Child Health and Human Development; Bethesda MD USA
3. Department of Psychiatry and Behavioural Neuroscience; Metabolic Diseases Institute; University of Cincinnati; Cincinnati OH USA
4. Department of Biochemistry and Molecular Biology; Faculty of Chemical and Pharmaceutical Sciences; Universidad de Chile; Santiago Chile
5. Department of Psychology; Binghamton University; Binghamton NY USA
6. Brain Institute; Universidade Federal do Rio Grande do Norte; Natal RN Brazil