From the Departments of *Radiology,
†Infectious Diseases, and
‡Rheumatology, Ramón y Cajal University Hospital, Madrid, Spain.
No specific funding was received from any funding bodies in the public, commercial, or not-for-profit sectors to carry out the work described in this article.
The authors declare no conflict of interest.
Correspondence: Luis Gorospe, MD, Department of Radiology, Ramón y Cajal University Hospital, Ctra. de Colmenar Viejo, Km 9.100, 28034 Madrid, Spain. E-mail: email@example.com.