*Massachusetts General Hospital, Harvard Medical School, Boston, MA

†Royal Marsden Hospital, London, UK

‡Institut Bergonie, Bordeaux, France

§Department of Pathology, Belfast Health and Social Care Trust, Belfast, UK

Conflicts of Interest and Source of Funding: The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Correspondence: Kyle M. Devins, MD, 55 Fruit St, Warren Building, Room 831, Boston, MA 02114 (e-mail: [email protected]).