Received: 15 November 2018
Accepted: 9 January 2019
First Online: 8 February 2019
Ethics approval and consent to participate
: Subjects have given their written informed consent. The study protocol was submitted by the Area Vasta Romagna Ethical Committee and has been approved by the research institute’s committee on human research. The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki.
: We have obtained consent for publication from patients when applicable.
: V.P. has served as a paid consultant to Erbe, Germany. None of all others have any potential conflicts of interest with any companies/organizations whose products or services may be discussed in this paper.
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