[1] IRCCS Burlo Garofolo, Dept Adv Diagnost, Via Istria 65-1, I-34137 Trieste, Italy
[2] Univ Fed Pernambuco, Lab Immunopathol Keizo Asami, Ave Prof Moraes Rego,1235 Cidade Univ, BR-50670901 Recife, PE, Brazil
[3] Univ Fed Pernambuco, Dept Pathol, Ave Prof Moraes Rego,1235 Cidade Univ, BR-50670901 Recife, PE, Brazil
[4] Univ Trieste, Dept Med Surg & Hlth Sci, Str Fiume 447, I-34149 Trieste, Italy