Author information:
(1)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Massimo.Vicentini@ausl.re.it.
(2)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: paola.ballotari@ats-valpadana.it.
(3)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Paolo.GiorgiRossi@ausl.re.it.
(4)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy; Specialization School of Hygiene and Preventive Medicine, 
Department of Biomedical, Metabolic and Neural Sciences, University of Modena 
and Reggio Emilia, Modena, Italy; Clinical and Experimental Medicine PhD 
Program, University of Modena and Reggio Emilia, Modena, Italy. Electronic 
address: venturelli.dr.francesco@gmail.com.
(5)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Claudio.Sacchettini@ausl.re.it.
(6)Primary Health Care, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Marina.Greci@ausl.re.it.
(7)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Lucia.Mangone@ausl.re.it.
(8)Epidemiology Unit, Local Health Authority of Reggio Emilia-IRCCS, Reggio 
Emilia, Italy. Electronic address: Annamaria.Pezzarossi@ausl.re.it.
(9)Department of Internal Medicine, Hospital of Montecchio, Local Health 
Authority of Reggio Emilia-IRCCS, Reggio Emilia, Italy. Electronic address: 
Valeria.Manicardi@ausl.re.it.