Declaration of competing interest None. We declare that no funding has been received for the preparation of this paper and that we have no conflict of interest. No experiments have been run with animals and/or humans in undertaking this and the patient has signed the informed consent, agreeing to the publication of this manuscript, this being necessary to access her medical history, in line with the protocols on clinical ethics and confidentiality laid down for this purpose. The signatory authors have read and approved the manuscript, complying with the requirements of authorship.