Ayton DR, Barker AL, Morello RT, Brand CA, Talevski J, Landgren FS, Melhem MM, Bian E, Brauer SG, Hill KD, Livingston PM, Botti M. Barriers and enablers to the implementation of the 6-PACK falls prevention program: A pre-implementation study in hospitals participating in a cluster randomised controlled trial. PLoS One. 2017; 12(2):e0171932.