1 Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Via Brambilla 74, 27100 Pavia, Italy; WHO Collaborating Centre for Clinical Management of Cystic Echinococcosis, Via Taramelli 5, 27100 Pavia, Italy. Electronic address: f_tamarozzi@yahoo.com.
2 Division of Infectious and Tropical Diseases, San Matteo Hospital Foundation, Via Taramelli 5, 27100 Pavia, Italy; WHO Collaborating Centre for Clinical Management of Cystic Echinococcosis, Via Taramelli 5, 27100 Pavia, Italy.
3 Department of Infectious, Parasitic and Immunomediated Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
4 Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna, Laboratory of Pavia, Strada Campeggi 59, 27100 Pavia, Italy.
5 Department of Clinical, Surgical, Diagnostic and Paediatric Sciences, University of Pavia, Via Brambilla 74, 27100 Pavia, Italy; Division of Infectious and Tropical Diseases, San Matteo Hospital Foundation, Via Taramelli 5, 27100 Pavia, Italy; WHO Collaborating Centre for Clinical Management of Cystic Echinococcosis, Via Taramelli 5, 27100 Pavia, Italy.