- Correspondence to Dr Camilla Asferg Department of Clinical Physiology, Rigshospitalet Glostrup, University of Copenhagen, Ndr. Ringvej, Glostrup DK-2600, Denmark;
- Received February 10, 2016
- Revised May 6, 2016
- Accepted July 13, 2016
- First published August 5, 2016.
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