J Ritzema, R Troughton, I Melton, I Crozier, R Doughty, H Krum, A Walton, P Adamson, S Kar, P. K Shah, M Richards, N. L Eigler, J. S Whiting, G. J Haas, J. T Heywood, C. M Frampton and W. T Abraham
Circulation 121 ( 9 ): 1086 - 1095 , 2010