S Pedersen, S Galatius, R Mogelvang, U Davidsen, A Galloe, S. Z Abildstrom, U Abildgaard, P. R Hansen, J Bech, A Iversen, E Jorgensen, H Kelbaek, K Saunamaki, J. K Madsen and J. S. Jensen
Circulation: Cardiovascular Interventions 2 ( 5 ): 392 - 400 , 2009
H. J Henderson, L Maddock, S Andrews, P Trail, N Loades, B Purcell, A Iversen, M. J Llewelyn and J. A. Cassell
Journal of Public Health 32 ( 4 ): 472 - 478 , 2010