Text and Data Mining valid from 2019-04-06
Received: 26 January 2019
Revised: 23 March 2019
Accepted: 27 March 2019
First Online: 6 April 2019
Compliance with ethical standards
: The manuscript has been approved by all the authors. The authors declare that they have no financial kind of relationships that might lead to a conflict of interest.
: This study was conducted in the Department of Medical and Surgical Sciences and Biotechnologies, “Sapienza” University of Rome, at “Marco Pasquali” Institute—ICOT (Latina), from October 2016 to September 2018. All patients who participated to the study were informed of the use of measurements for research purposes and gave their written informed consent. All the procedures performed were in accordance with the ethical standards of the institutional and national research committee. The regulations of our institution concerning intellectual property has been respected. The ethical standards, laid down in 1964 Declaration of Helsinki and its later amendments, were respected.