Ganesan Ramanathan, McEwen Malcolm R, Orton Colin G
Radiotherapy Section, Medical Radiation Services Branch, Australian Radiation Protection and Nuclear Safety Agency, Yallambie 3085, Victoria, Australia (Tel: 61 3 9433 2273; E-mail:
Ionizing Radiation Standards, National Research Council, Ottawa, Ontario K1A OR6, Canada (Tel: 613-993-2197 Ext: 226; E-mail:
Med Phys. 2015 Sep;42(9):5003-6. doi: 10.1118/1.4922710.