Chiang, Wei-Yu
Lee, Jong-Jer
Chen, Yi-Hao
Chen, Chih-Hsin
Chen, Yung-Jen
Wu, Pei-Chang
Fang, Po-Chiung
Kuo, Hsi-Kung
Article History
Received: 14 December 2017
Revised: 27 April 2018
Accepted: 3 May 2018
First Online: 9 June 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 (name of institute/committee) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of retrospective study, formal consent is not required.