1. Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences; University of Brescia; Viale Europa 11 Brescia 25123 Italy
2. Department of Biochemistry and Molecular Biology; Federal University of Santa Maria; Santa Maria RS Brazil
3. Interdipartimental University Center of Research “Adaption and Regeneration of Tissues and Organs- (ARTO)”, University of Brescia; Italy
4. OIE Reference Laboratory for RHD; Istituto Zooprofilattico Sperimentale della Lombardia e Emilia Romagna Brescia Italy
5. Department of Oral and Maxillofacial Surgery; University of Verona; Verona Italy