Disclosure statement
Authors declared no conflicts of interest.
Authorship contributions
GF: designed the research study, performed the research, analyzed the data, wrote the paper; EF: performed the research, wrote the paper; TO: performed the research, analyzed the data, wrote the paper; AP: analyzed the data; SL: performed the research, analyzed the data; MC, LF, CG, MP, AP, RP enrolled patients; FLC: designed the research study, enrolled patients; MTV: designed the research study, enrolled patients and wrote the paper. All authors critically reviewed and approved the final version of the manuscript.