Optogenetically transduced human ES cell-derived neural progenitors and their neuronal progenies: phenotypic characterization and responses to optical stimulation, Jiwon Ryu, Philippe F.Y. Vincent, Nikolaos K. Ziogas, Leyan Xu, Shirin Sadeghour, John Curtain, Athanasios S. Alexandris, Nocholas Stewart, Richard Sima, Sascha du Lac, Elisabeth Glowatzki, Vassillis E. Koliatsos.