Correction

After publication of this work [1], we noted that we inadvertently failed to include important Acknowledgments in our final version of the manuscript. Please see below the modification:

Acknowledgements

The authors received funding from the Australian National Health and Medical Research Council (APP1055319) and EU FP7 Project (HEALTH.2012.2.1.1-1-C): RD Connect: An integrated platform connecting databases, registries, biobanks and clinical bioinformatics for rare disease research. The authors wish to acknowledge their involvement in the International Rare Disease Research Consortium.