Chiu-Hsieh Paul) Hsu, PhD, is an professor at The University of Arizona Mel and Enid Zuckerman College of Public Health in the Epidemiology and Biostatistics Department. He received his Ph.D. in Biostatistics from the University of Michigan. He is currently a Section Editor Data Analysis, Statistics and Modeling) of BMC Medical Research Methodology. His research interests include development of methodology for missing data, survival analysis and personalized risk prediction models for cancer research. He has been heavily involved in collaborations in the areas of health disparities, patient care, cardiovascular and cancer research.