Article History
Received: 3 January 2018
Revised: 19 September 2018
Accepted: 15 October 2018
First Online: 25 October 2018
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required. The study was approved by the Institutional Review Board of the hospital and was conducted in accordance with the tenets of the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.