Article History
First Online: 5 January 2019
Compliance with Ethical Standards
: Our study was a prospective, randomized controlled study, approved by the Institutional Ethics Committee. Written informed consent was obtained from all participating subjects. This manuscript adheres to the applicable Enhancing the Quality and Transparency of Health Research (EQUATOR) guidelines.
: The authors declare that they have no conflict of interest.
: Ethical and consent statement provided by the Institutional Ethics Committee. Written informed consent was obtained from all participating subjects.