Correction: Muscarinic and Nicotinic Modulation of Thalamo-Prefrontal Cortex Synaptic Plasticity. - Lezio Soares Bueno-Junior; Cleiton Lopes-Aguiar; Rafael Naime Ruggiero; Rodrigo Neves Romcy-Pereira; João Pereira Leite (PLoS ONE, 2012)