Article Information
PubMed
History
- Accepted September 17, 2015
- Published online February 16, 2016.
Article Versions
- Latest version (November 23, 2015 - 07:56).
- You are viewing the most recent version of this article.
Copyright & Usage
© 2016 8872147 Canada Inc. or its licensors
Author Information
- Dongfeng Zhang, MD PhD⇑,
- Xiaoli Shen, MD PhD,
- Xin Qi, MD PhD
- Departments of Epidemiology and Health Statistics (Zhang, Shen), and Clinical Medicine (Qi), Medical College of Qingdao University, Shandong, China
- Correspondence to: Dongfeng Zhang, zhangdf1961{at}126.com