Corrigendum: Monte Carlo simulated corrections for beam commissioning measurements with circular and MLC shaped fields on the CyberKnife M6 system: a study including diode, microchamber, point scintillator, and synthetic microdiamond detectors (2017 Phys. Med. Biol. 62 1076). (1st February 2017) - Francescon, P; Kilby, W; Noll, J M; Masi, L; Satariano, N; Russo, S