Author Correction: A single-photon emitter coupled to a phononic-crystal resonator in the resolved-sideband regime - Clemens Spinnler; Giang N. Nguyen; Ying Wang; Liang Zhai; Alisa Javadi; Marcel Erbe; Sven Scholz; Andreas D. Wieck; Arne Ludwig; Peter Lodahl; Leonardo Midolo; Richard J. Warburton (Nature Communications)