1. Laboratory of Neuroanatomy of the Peptidergic Systems, Institute of Neurosciences of Castilla y León (INCYL), University of Salamanca, 37007 Salamanca, Spain
2. Group GIR-BMD (Bases Moleculares del Desarrollo), University of Salamanca, 37007 Salamanca, Spain
3. Department of Biochemistry and Molecular Biology, Faculty of Chemical Sciences, University of Salamanca, 37007 Salamanca, Spain
4. Department of Infectious Diseases, Infection Control, and Employee Health, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, USA
5. Pediatric Intensive Care Unit, Research Laboratory on Neuropeptides (IBIS), Virgen del Rocío University Hospital, 41013 Seville, Spain