Acknowledgements
The authors would like to thank the patient, their family and the staff who participated in their care.
Author contributions
T.E.L., C.V.W., and A.K. conceived of the report and were responsible for patient care; L.R.W. and T.E.L. collected data and wrote the first version of the manuscript; L.C.F. performed the genetic analysis and provided genetic counseling; and all authors contributed critical revision to the manuscript.
Disclosure statement
The authors declare no competing interests.