Erratum: "Supplement 2 for the 2004 update of the AAPM Task Group No. 43 Report: Joint recommendations by the AAPM and GEC‐ESTRO" [Med. Phys. Vol 44 (9), e297–e338 (2017)]. Issue 2 (2nd January 2018) - Rivard, Mark J.; Ballester, Facundo; Butler, Wayne M.; DeWerd, Larry A.; Ibbott, Geoffrey S.; Meigooni, Ali S.; Melhus, Christopher S.; Mitch, Michael G.; Nath, Ravinder; Papagiannis, Panagiotis