Affiliation: | (1) Department of Paediatrics, CHU Saint-Pierre, 322 rue Haute, 1000 Bruxelles, Belgium Tel.: +32-2-5354344; Fax: +32-2-5354563, BE;(2) Department of Internal Medicine, CHU Saint-Pierre, Bruxelles, Belgium, BE;(3) AIDS Reference Laboratory, VUB, CHU Saint-Pierre, Bruxelles, Belgium, BE |