Competing interests

TS, MI, PC have no conflicting interests. AL has no competing interested; she received fees for consultation from Roche, Genzyme, Merck, Biogen, Novartis, Bristol-Myers Squibb.

Ethical approval

None.

Research involving human participants and Informed Consent

This case report does not require a specific Ethics Approval for reporting. The subject provided consent to publish this case report.