- Correspondence to Dr Töres Theorell, Stress Research Institute, Stockholm University, Frescati Hagväg 16A, Stockholm 10691, Sweden;
- Received December 20, 2012
- Revised August 26, 2013
- Accepted August 29, 2013
- First published September 19, 2013.
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.