- Correspondence to Elin Ekblom-Bak, Åstrand Laboratory of Work Physiology, Swedish School of Sport and Health Sciences, Box 5626, 114 86 Stockholm, Sweden;
- Accepted November 4, 2009
- First published February 4, 2010.
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.