Li, Ruo-Ling
Luo, Ci-Wen
Ho, Yung-Chyuan
Lee, Shiuan-Shinn
Kuan, Yu-Hsiang http://orcid.org/0000-0002-8991-6394
Article History
Received: 8 July 2019
Accepted: 2 September 2019
First Online: 14 September 2019
Ethics approval and consent to participate
: The data of the manuscript is obtained from the NHIRD, collecting secondhand information for public research purposes and passed the full inspection by the Institutional Review Board of Chung Shan Medical Hospital Committee (CS2–15106).
: Not applicable
: The authors declare that they have no competing interests.