Efficient transduction and optogenetic stimulation of retinal bipolar cells by a synthetic adeno‐associated virus capsid and promoter oleh Therese Cronin, Luk H Vandenberghe, Péter Hantz, Josephine Juttner, Andreas Reimann, Ágota–Enikő Kacsó, Rachel M Huckfeldt, Volker Busskamp, Hubertus Kohler, Pamela S Lagali, Botond Roska, Jean Bennett