[1] Univ Salamanca, E-37008 Salamanca, Spain
[2] Inst Pediat & Puericultura Martagao Gesteira, Rio De Janeiro, Brazil
[3] Dept Clin, Rio De Janeiro, Brazil
[4] UFRJ Fed Univ, Fac Med, Rio De Janeiro, Brazil
[5] UFRJ Fed Univ, COPPE Engn Grad Program, Rio De Janeiro, Brazil
[6] Cytognos SL, Salamanca, Spain
[7] Univ Klin Scheswig Holstein, Kiel, Germany
[8] Univ Med Ctr Rotterdam, Rotterdam, Netherlands