aSection of Infectious Diseases, Department of Internal Medicine, Geriatric Medicine and Nephrology, University of Bologna, Bologna, Italy
bDepartment of Haematology and Oncologic Sciences, Section of Microbiology, Italy
cCenter for Metabolic Bone Diseases, Gorizia Hospital, Gorizia, Italy
dInteruniversity Consortium, National Institute Biostructure and Biosystem (INBB), Rome, Italy.
Received 15 April, 2009
Accepted 15 April, 2009
Correspondence to Davide Gibellini, Department of Haematology and Oncologic Sciences, Section of Microbiology, University of Bologna, Italy. Tel: +39 051 636 3165; fax: +39 051 307 397; e-mail: firstname.lastname@example.org