- Correspondence to Mohammad Arfan Ikram, Department of Epidemiology, Erasmus MC University Medical Center, PO. Box 2040, 3000 CA Rotterdam, The Netherlands;
- Received January 27, 2012
- Revised June 25, 2012
- Accepted July 25, 2012
- First published August 23, 2012.
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.