Correction to Ion Channels Made from a Single Membrane-Spanning DNA Duplex. - Göpfrich, Kerstin; Li, Chen-Yu; Mames, Iwona; Bhamidimarri, Satya Prathyusha; Ricci, Maria; Yoo, Jejoong; Mames, Adam; Ohmann, Alexander; Winterhalter, Mathias; Stulz, Eugen; Aksimentiev, Aleksei; Keyser, Ulrich F. (Nano Letters, 2017)