Received: 14 September 2017
Accepted: 19 December 2017
First Online: 10 March 2018
Ethics approval and consent to participate
: Research involving human material has been performed in accordance with the Declaration of Helsinki of 1975, as revised in 2000 and 2008; the ethical standards of Good Clinical Practice; the applicable sections of the national medical device law; and the ethical code of the Università degli Studi della Campania “L. Vanvitelli” (approved with D.R. 992/2012). An informed consent to participate in the study has been obtained from participants.
: A written informed consent for the publication of data and images relating to individual participants has been obtained from the participants.
: AS and AB are scientific advisors of Promoitalia Group S.p.A.
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