- Received September 26, 2012, and in revised form March 24, 2013.
- Accepted for publication April 17, 2013.
- Reprints: Yaw-Bin Huang, PhD, No. 100, Shihcyuan 1st Rd, Sanmin District, Kaohsiung City 80708, Taiwan, Republic of China. E-mail: .
- Financial support was provided by National Science Council (NSC100-2320-B-037-017) and Kaohsiung Medical University Hospital (grant 8R-32).
- The authors have no potential conflicts of interest to report.
- This study is based in part on data from the National Health insurance Research Database provided by the Bureau of National Health Insurance, Department of Health, Taiwan, and managed by the National Health Research Institutes. The interpretations and conclusions contained herein do not represent those of the Bureau of National Health Insurance, Department of Health, or the National Health Research Institutes.
- First published December 14, 2015.
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