[1] San Carlo Clin, Allergol Clin, Dugnano, MI, Italy
[2] Buccheri La Ferla FBF Hosp, UOC Clin Pathol, Palermo, Italy
[3] IDI IRCCS, Immacolata Dermopath Inst, Allergy Unit, Rome, Italy
[4] S Maria Angell Hosp, SSD Immunol & Allergol, Pordenone, Italy
[5] ASST GOM Niguarda, Complex Struct Allergol & Immunol, Milan, Italy
[6] ASST GOM Niguarda, Dept Lab Med, Milan, Italy
[7] Azienda Sanitaria Romagna, Allergol Clin, Operat Unit Internal Med Rimini, Rimini, Italy
[8] LUM AUSL, Bologna, Italy
[9] Beato Palazzolo Nursing Home, Allergol Serv, Bergamo, Italy
[10] ASST Bergamo Ovest, Lab Med Serv, Bergamo, Italy
[11] Lecce POV Fazzi ASL Clin, UOC Allergol & Immnol, Lecce, Italy
[12] SS Filippo & Nicola Hosp, UOSD Allergol, Avezzano, AQ, Italy
[13] Scillas Nursing Home, Allergol Serv, Scilla, RC, Italy
[14] Univ Hosp A Gemelli Fdn, Allergol Serv, Rome, Italy
[15] Univ Hosp A Gemelli Fdn, Gen Pathol Inst, Rome, Italy
[16] Maggiore Policlin Hosp, IRCCS Ca Granda Fdn, Pediat Area, Milan, Italy
[17] S Spirito & Nuovo Regina Margherita Hosp Ctr, Allergol Serv, UOC Internal Med, Rome, Italy
[18] S Filippo Neri Hosp, S Lab Allergol Serv, UOC Clin Pathol, Rome, Italy
[19] Faenza Hosp, Allergol Unit, Internal Med, Faenza, RA, Italy
[20] CNR, Biomed & Mol Immunol Inst, Allerg Dis Ctr Bonsignori, Palermo, Italy
[21] Ciaccio Apulian Hosp Co, Pediat Emergency Room, Catanzaro, Italy
[22] Magna Graecia Univ Catanzaro, Pathol & Biochem Clin, Catanzaro, Italy
[23] A Mirri Expt Zooprophylact Sicilys Inst, Palermo, Italy