1. División de Neurociencias, Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social, Morelia, Michoacán, México.
2. Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México.
3. Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, Pennsylvania. USA.
4. Safar Center for Resuscitation Research, University of Pittsburgh, Pittsburgh, Pennsylvania. USA.
5. Center for Neuroscience, University of Pittsburgh, Pittsburgh, Pennsylvania. USA.
6. Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, Pennsylvania. USA.
7. Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania. USA.