Hung, Kuo-Chuan
Wu, Shao-Chun
Chang, Ying-Jen
Chiang, Min-Hsien
Chen, I-Wen
Sun, Cheuk-Kwan
Soong, Tien-Chou http://orcid.org/0000-0001-7847-4888
Article History
First Online: 13 April 2019
Compliance with Ethical Standards
: The protocol of the whole study was reviewed and approved by the institutional research board (IRB) (Approval No. 20181119B). Informed patient consent was waived due to the retrospective nature of this study.
: The authors declare that they have no conflict of interest.
: 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.
: This article does not contain any studies with human participants or animal performed by any of the authors. For this type of study, formal consent is not required. Informed consent does not apply to the submission.