1. Insitute of Clinical Medicine, University of Aarhus, Aarhus, Denmark
2. The Water and Salt Research Centre, University of Aarhus, Aarhus, Denmark
3. Department of Plastic Surgery, Aarhus Hospital, Aarhus, Denmark
4. Department of Urology, Aarhus University Hospital, Skejby, Denmark
5. Physiology and Pharmacology, University of Southern Denmark, Odense, Denmark