CORRESPONDENCE. - Ball, Catherine A; Sherlock, Gavin; Parkinson, Helen; Rocca-Sera, Philippe; Brooksbank, Catherine; Causton, Helen C; Cavalieri, Duccio; Gaasterland, Terry; Hingamp, Pascal; Holstege, Frank; Ringwald, Martin; Spellman, Paul; et al. (Lancet, 2002)