Authors: Lawrence T Dauer; Matthew J Williamson; John Humm; Joseph O'Donoghue; Rashid Ghani; Robert Awadallah; Jorge Carrasquillo; Neeta Pandit-Taskar; Anne-Kirsti Aksnes; Colin Biggin; Vigdis Reinton; Michael Morris; Jean St Germain Journal: Health Phys Date: 2014-04 Impact factor: 1.316