Erratum to: “Precise out-vacuum proton beam monitoring system based on vibrating wire”

The name of the third author should read D. Choe. The list of authors should read as follows: M. A. Aginian a , S. G. Arutunian a , D. Choe b , M. Chung b , G. S. Harutyunyan a , S.-Y. Kim b , E. G. Lazareva a*, and A. V. Margaryan a