[1] Catholic Univ Louvain, Clin Univ St Luc, Ctr Vasc Anomalies, Div Plast Surg, Brussels, Belgium
[2] Catholic Univ Louvain, Christian de Duve Inst Cellular Pathol, Lab Human Mol Genet, Brussels, Belgium
[3] Childrens Hosp, Ctr Vasc Anomalies, Div Plast Surg, Boston, MA 02115 USA
[4] Hop Lariboisiere, Consultat Angiomes, F-75475 Paris, France