1. Bispebjerg Hospital Research Unit for Anaesthesia and Intensive Care, University of Copenhagen, Copenhagen, Denmark;
2. School of Physical Education, University of Otago, Dunedin, New Zealand;
3. Copenhagen Muscle Research Centre, Department of Biomedical Science, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark;
4. Special Medical Care, Department of Internal Medicine, and
5. Laboratory for Clinical Cardiovascular Physiology, AMC Center for Heart Failure, University of Amsterdam, Amsterdam, The Netherlands