- Correspondence to Kirsten Salado-Rasmussen, Department of Infectious Diseases, M5132, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, Copenhagen Ø 2100, Denmark;
- Received March 16, 2012
- Revised November 17, 2012
- Accepted November 26, 2012
- First published December 27, 2012.
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