Ph.D., University of Washington, Biostatistics, 2007.
M.S., Iowa State University, Molecular, Cellular, & Developmental Biology, 2000.
M.S., Iowa State University, Statistics, 1999.
B.S., Fudan University, Biochemistry, 1996.
Statistical methods in the areas of biomarker evaluation, genome-wide association studies, causal inference.
American Statistical Association
Institute of Mathematical Statistics
Journal of Biometrics & Biostatistics (Editorial Board)
Honors and Awards
2007, HPSS Student Award, Health Science Policy Section, Joint Statistical Meetings
1999, Vera David Graduate Fellowship in Statistics, Iowa State University, Department of Statistics
1997-2000, Premium for Academic Excellence Award Graduate College, Iowa State University
2009-2010, Assistant Professor of Biostatistics, Columbia University, Mailman School of Public Health, Department of Biostatistics
2007, Post-doctoral fellow, Fred Hutchinson Cancer Research Center, Public Health Sciences Division, Biostatistics & Biomathematics
2001, Research Assistant, University of Washington, School of Public Health and Community Medicine, Biostatistics
1999, Research Assistant, Iowa State University, College of Agriculture and Life Sciences, Statistics-Ag
Combining biomarkers linearly and nonlinearly for classification using the area under the ROC curve.. Statistics in medicine. 35(21):3792-809.. 2016.
Evaluating and comparing biomarkers with respect to the area under the receiver operating characteristics curve in two-phase case-control studies.. Biostatistics (Oxford, England). 17(3):499-522.. 2016.
Selection of HIV vaccine candidates for concurrent testing in an efficacy trial.. Current opinion in virology. 17:57-65.. 2016.
Sodium Intake and Osteoporosis. Findings from the Women's Health Initiative.. The Journal of clinical endocrinology and metabolism. :jc20154017.. 2016.
Glycans related to the CA19-9 antigen are elevated in distinct subsets of pancreatic cancers and improve diagnostic accuracy over CA19-9.. Cellular and molecular gastroenterology and hepatology. 2(2):201-221.e15.. 2016.
Preventing HIV-1 Infection in Women using Oral Pre-Exposure Prophylaxis: A Meta-analysis of Current Evidence.. Journal of acquired immune deficiency syndromes (1999).. 2016.
Personalized Evaluation of Biomarker Value: A Cost-Benefit Perspective.. Statistics in biosciences. 8:43-65.. 2016.
Surrogate Endpoint Evaluation: Principal Stratification Criteria and the Prentice Definition.. Journal of causal inference. 3(2):157-175.. 2015.
Identifying optimal biomarker combinations for treatment selection through randomized controlled trials.. Clinical trials (London, England).. 2015.
Glycan motif profiling reveals plasma sialyl-lewis x elevations in pancreatic cancers that are negative for sialyl-lewis a.. Molecular & cellular proteomics : MCP. 14(5):1323-33.. 2015.
Measurement error corrected sodium and potassium intake estimation using 24-hour urinary excretion.. Hypertension. 63(2):238-44.. 2014.
An Approach to Evaluating and Comparing Biomarkers for Patient Treatment Selection.. The international journal of biostatistics.. 2014.
Biomarker-calibrated protein intake and bone health in the Women's Health Initiative clinical trials and observational study.. The American journal of clinical nutrition. 99(4):934-40.. 2014.
LOGISTIC REGRESSION ANALYSIS WITH STANDARDIZED MARKERS.. The annals of applied statistics. 7(3). 2013.
Calibration of self-reported dietary measures using biomarkers: an approach to enhancing nutritional epidemiology reliability.. Current atherosclerosis reports. 15(9):353.. 2013.
A Framework for Evaluating Markers Used to Select Patient Treatment.. Medical decision making : an international journal of the Society for Medical Decision Making.. 2013.
The Early Detection Research Network's Specimen Reference Sets: Paving the Way for Rapid Evaluation of Potential Biomarkers.. Clinical chemistry. 59(1):68-74.. 2013.
Reply to richie and villasante.. The Journal of infectious diseases. 207(4):690-2.. 2013.
Regression Calibration in Nutritional Epidemiology: Example of Fat Density and Total Energy in Relationship to Postmenopausal Breast Cancer.. American journal of epidemiology. 178(11):1663-72.. 2013.