Response to “Germline TP53 mutation R337H is not sufficient to establish Li-Fraumeni or Li-Fraumeni-like syndrome”, by Ribeiro RC et al. - Achatz,MI.; Olivier,M.; Calvez,FL.; Martel-Planche,G.; Lopes,A.; Rossi,BM.; Ashton-Prolla,P.; Vargas,FR.; Casali da Rocha,JC.; Vettore,AL.; Hainaut,P. (Cancer Lett, 2007)