- Correspondence to Dr Lillian Sung, Division of Haematology/Oncology, The Hospital for Sick Children, University of Toronto, 555 University Avenue, Toronto, Ontario, Canada M5G1X8;
- Received 21 October 2014
- Revision received 25 February 2015
- Accepted 11 March 2015
- Published in print 1 March 2017.
- Published first 27 March 2015.
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