Barreiro-Pérez, Manuel
Curione, Davide
Symons, Rolf
Claus, Piet
Voigt, Jens-Uwe
Bogaert, Jan http://orcid.org/0000-0001-7495-9183
Article History
Received: 25 January 2018
Revised: 3 May 2018
Accepted: 14 May 2018
First Online: 5 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jan Bogaert
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: One of the authors has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• cross sectional study• performed at one institution