1. Postgraduate Program in Biological Sciences: Biochemistry, Department of Biochemistry; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil
2. Neurophysiology and Neurochemistry of Neuronal Excitability and Synaptic Plasticity Laboratory-NNNESP Lab.); Biochemistry Department; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil
3. Department of Pediatrics, Molecular and Medical Genetics; Oregon Health & Science University; Portland Oregon U.S.A
4. Department of Pediatrics; University of Colorado Denver; Aurora Colorado U.S.A
5. Postgraduate Program in Neuroscience; ICBS; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil