Zhou

XIAO-HUA ZHOU is Professor in the Department of Biostatistics at the University of Washington and Director of the Biostatistics Unit in the HSR&D Center of Excellence at VA Puget Sound Health Care System.

NANCY A. OBUCHOWSKI is Associate Staff at the Cleveland Clinic Foundation.

DONNA K. McCLISH is Associate Professor of Biostatistics at Virginia Commonwealth University's Medical College of Virginia.