- Correspondence to:
MSc, Ludwig-Maximilians University, Munich School of Management, Health Economics and Management, Ludwigstraße 28 RG, D-80539 Munich, Germany;
- Accepted March 21, 2005
- First published March 29, 2005.
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.