The paper Probing higher order optical modes in all-dielectric nanodisk, -square, and -triangle by aperture type scanning near-field optical microscopy written by Aleksandr Yu. Frolov, Joris Van de Vondel, Vladimir I. Panov, Pol Van Dorpe, Andrey A. Fedyanin, Victor V. Moshchalkov and Niels Verellen has been published in Nanophotonics.