- Correspondence to Dr Anna Sällfors Holmqvist, Department of Clinical Sciences, Pediatric Oncology and Hematology, Skåne University Hospital, Lund SE-221 85, Sweden;
- Received March 26, 2015
- Revised September 9, 2015
- Accepted September 20, 2015
- First published November 10, 2015.
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