Computational Optogenetics: Empirically-Derived Voltage- and Light-Sensitive Channelrhodopsin-2 Model. - John C. Williams; Jianjin Xu; Zhongju Lu; Aleksandra Klimas; Xuxin Chen; Christina M. Ambrosi; Ira S. Cohen; Emilia Entcheva (PLoS Comput. Biol., 2013)