Lin, Ching-Chun
Lin, Herng-Ching
Chiu, Hung-Wen
Article History
First Online: 16 January 2019
Compliance with Ethical Standards
:
: No sources of funding were used to conduct this study or prepare this manuscript.
: Ching-Chun Lin, Herng-Ching Lin, and Hung-Wen Chiu have no conflicts of interest that are directly relevant to the content of this article.
: The datasets used in this study contain deidentified secondary data with anonymous numbers from the Taiwan National Health Research Institute. This study was exempt from full review and approved by the Institutional Review Board of Taipei Medical University.
: This study used deidentified secondary data that have been released by the NHI research database to the public for research purposes. Personal data were encrypted and patient privacy was protected in this research; therefore, written informed consent from the participants was not necessary.