Thanks Tudor, for letting me know. Details of the article are the following:
Castori, Marco. "Pain in Ehlers-Danlos Syndromes: Manifestations, Therapeutic Strategies and Future Perspectives." Expert Opinion on Orphan Drugs just-accepted (2016).
Hmm, sadly can't access it - think it is because it was accepted so recently. Have you tried requesting it directly from the author? I see he (and his paper reference) are on ResearchGate: