Received: 30 December 2019
Revised: 28 March 2020
Accepted: 14 May 2020
First Online: 16 June 2020
Compliance with ethical standards
: The scientific guarantor of this publication is Dr. Geoffrey C Colin.
: 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.
: No complex statistical methods were necessary for this paper.
: Written informed consent was obtained from all subjects (patients) in this study.
: Institutional Review Board approval was obtained.
: • prospective• diagnostic or prognostic study• performed at one institution