Received: 12 February 2019
Accepted: 10 October 2019
First Online: 28 October 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Kaohsiung Chang Gung Memorial Hospital (IRB number:105-6117B). All participants were informed about the aims and risks of this study and made to sign the written consent.
: All authors approved the final version of the manuscript. Written informed consent was obtained from the patient for publication of Fig. InternalRef removed. A copy of the written consent is available for review by the Editor of this journal.
: We declare that we have no financial and personal relationships with other people or organizations that inappropriately influence our work. There is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in this manuscript.