Authors: Penella J. Woll, Peter Reichardt, Axel Le Cesne, Sylvie Bonvalot, Alberto Azzarelli, Harald J. Hoekstra, Michael Leahy, Frits van Coevorden, Jaap Verweij, Pancras C.W. Hogendoorn, M. Ouali, Sandrine Marréaud, Vivien Bramwell, Peter Hohenberger - The Lancet 2012 cited by 588