From Clinica San Clemente.
Received for publication September 22, 2012; accepted September 25, 2012.
Disclosure: The author has no financial interest to declare in relation to the content of this Discussion or of the associated article.
Gino Rigotti, M.D.; Clinica San Clemente, V.le Pompilio 65, I-46100 Mantova, Italy, firstname.lastname@example.org