Chen, Zheng-Wei
Wu, Cho-Kai
Yang, Yao-Hsu
Huang, Jenq-Wen
Wu, Vin-Cent
Lee, Jen-Kuang
Chen, Pau-Chung
Lin, Yen-Hung
Lin, Lian-Yu
Article History
First Online: 8 May 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the current study were conducted 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.
: The data of this study was obtained from the Taiwan National Health Insurance research database. Informed consent from individual patients was not required.