[1] Univ Sassari, Sez Microbiol Sperimentale & Clin, Dipartimento Sci Biomed, I-07100 Sassari, Italy
[2] USDA ARS, Natl Anim Dis Ctr, Ames, IA 50010 USA
[3] ISOGEM Collaborat Network Tubercle Bacilli, Sassari, Italy
[4] Univ Sassari, Ist Patol Gen Anat Patol & Clin Ostetrico Chirurg, I-07100 Sassari, Italy
[5] Ctr DNA Fingerprinting & Diagnost, Pathogen Evolut Grp, Hyderabad, Andhra Pradesh, India