Pisano, F.
Gaya, J. M.
Breda, A.
Palou, J.
Article History
Received: 27 September 2018
Accepted: 5 June 2019
First Online: 18 June 2019
Compliance with ethical standards
:
: The author declares that they have no competing interest.
: The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: For this type of study, informed consent is not required.