- Correspondence to Susanne Ullström, Department of Learning, Informatics, Management and Ethics (LIME), Medical Management Centre (MMC), Karolinska Institutet, Tomtebodavägen 18A, Stockholm 171 77, Sweden;
- Received March 26, 2013
- Revised September 16, 2013
- Accepted October 23, 2013
- First published November 15, 2013.
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