- Correspondence to Dr Tony Hsiu-Hsi Chen, Division of Biostatistics, Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan, Room 533, No 17, Hsuchow Road, Taipei 100, Taiwan; Dr Jaw-Town Lin, Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan;
- Accepted April 5, 2012
- First published June 14, 2012.
This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.
Files in this Data Supplement:
- Data Supplement 1 - Online Appendix
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.