Authors: Simon Denny; Elizabeth Robinson; Catriona Lawler; Sue Bagshaw; Bridget Farrant; Fionna Bell; Dianne Dawson; Diana Nicholson; Mo Hart; Theresa Fleming; Shanthi Ameratunga; Terryann Clark; Maria Kekus; Jennifer Utter Journal: Am J Public Health Date: 2012-08-16 Impact factor: 9.308