CORRESPONDENCE. - Broughton, Martyn; Chelala, César; Stocchetti, Nino; Dearden, Mark; Karimi, Abbi; Lapierre, Francoise; Maas, Andrew; Murray, Gordon D; Ohman, Juha; Persson, Lennart; Sahuquillo, Juan; Servadei, Franco; et al. (Lancet, 2003)