Erratum to "Cyclopropanation of diazoesters with styrene derivatives catalyzed by magnetically recoverable copper-plated iron nanoparticles" [Tetrahedron 70 (2014) 8952–8958]. Issue 17 (29th April 2015) - Ishikawa, Shingo; Hudson, Reuben; Masnadi, Mitra; Bateman, Mary; Castonguay, Annie; Braidy, Nadi; Moores, Audrey; Li, Chao-Jun