The publisher regrets the incorrect affiliations for Giancarlo Colombo and Paola Maccioni in Chapter 14 opening page and in the Contributors List of the print and online versions of this book. Their correct affiliations have been updated in the original chapter and are mentioned below:

Giancarlo Colombo, Institute of Neuroscience-Cagliari, National Research Council (CNR), Monserrato, Italy.

Paola Maccioni, Institute of Neuroscience-Cagliari, National Research Council (CNR), Monserrato, Italy.