Article History
Received: 14 June 2019
Accepted: 25 November 2019
First Online: 4 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The institutional review board approved the observational study design and access to the patients’ medical records (approval number: VC13OISI0222, date of approval: February 26<sup>th</sup>, 2014). Additionally, this project was registered at ClinicalTrials.gov (Register no: L201401N1). This study was performed in accordance with the Declaration of Helsinki. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants in the study.