Page 46, line 1711 and footnote:
It would be useful to state (either in the footnote or in the text) that the terminology GyE, much used in previous literature, is no longer recommended. However, more appropriate terminology is still under discussion (IAEA, 2008; Wambersie et al. 2011; Bentzen et al. 2012).
IAEA, 2008. Relative Biological Effectiveness in Ion Beam Therapy. Technical Reports Series No. 461. International Atomic Energy Agency, Vienna.
Wambersie, A., Menzel, H.G., Andreo, P., et al., 2011. Iso-effective dose: A concept for biological weighting of absorbed dose in proton and heavier-ion therapies. Rad. Prot. Dosim. 143, No. 2-4, 481-486.
Bentzen, S.M., Dörr, W., Gahbauer, R., et al., 2012. Bioeffect modeling and equieffective dose concepts in radiation oncology--terminology, quantities and units. Radiother. Oncol. 105 (2), 266-268.
NB. There are also 2 letters about this topic:
Fowler JF, reply Bentzen SM. Radiother. Oncol. 2013 August. 108 (2), 354-355.