Publisher's Note: Superconductivity and crystal structural origins of the metal-insulator transition in ${\mathrm{Ba}}_{6-x}{\mathrm{Sr}}_x{\mathrm{Nb}}_{10}{\mathrm{O}}_{30}$ tetragonal tungsten bronzes [Phys. Rev. B 92, 214508 (2015)]

Taras Kolodiazhnyi, Hiroya Sakurai, Masaaki Isobe, Yoshitaka Matsushita, Scott Forbes, Yurij Mozharivskyj, Timothy J. S. Munsie, Graeme M. Luke, Mary Gurak, and David R. Clarke

Phys. Rev. B 93, 019903 – Published 19 January 2016