1. Laboratory of Neurosciences, School of Medicine, Universidad de Santander, Bucaramanga, Colombia
2. Institute of Neurosciences of Castilla y León (INCYL), Laboratory of Neuroanatomy of the Peptidergic Systems, University of Salamanca, Salamanca, Spain
3. Grupo GIR BMD (Bases Moleculares del Desarrollo), University of Salamanca, Salamanca, Spain