Departments of *Pathology and Laboratory Medicine

§Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY

†Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA

‡Department of Pathology, Moffitt Cancer Center, Tampa, FL

Conflicts of Interest and Source of Funding: Supported in part by the Cancer Center Support Grant of the National Institutes of Health/National Cancer Institute under award number P30CA008748. The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Correspondence: Bin Xu, MD, PhD, Department of Pathology and Laboratory Medicine, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 (e-mail: [email protected]).

Supplemental Digital Content is available for this article. Direct URL citations are provided in the HTML and PDF versions of this article on the journal’s website, www.ajsp.com.