1. Department of Physiology and Biophysics; Institute of Biomedical Sciences; University of São Paulo; São Paulo Brazil
2. Laboratory of Comparative Physiology of Pigmentation; Institute of Biosciences; University of São Paulo; São Paulo Brazil
3. Department of Physiology and Biophysics; Institute of Biological Sciences; Federal University of Minas Gerais; Belo Horizonte Brazil
4. Laboratory of Developmental Chronobiology; Institute of Anatomy, Histology and Pathology; Faculty of Medicine; Universidad Austral de Chile; Valdivia Chile
5. Department of Medicine; Division of Endocrinology and Metabolism; University of Rochester, School of Medicine and Dentistry; Rochester NY USA