About the Authors

Yan Xie

Affiliation Clinical Epidemiology Center, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America

Benjamin Bowe

Affiliation Clinical Epidemiology Center, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America

Hong Xian

Affiliations Clinical Epidemiology Center, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America, Department of Biostatistics, College for Public Health and Social Justice, Saint Louis University, Saint Louis, Missouri, United States of America

Sumitra Balasubramanian

Affiliation Clinical Epidemiology Center, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America

Ziyad Al-Aly

zalaly@gmail.com

Affiliations Clinical Epidemiology Center, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America, Division of Nephrology, Department of Medicine, VA Saint Louis Health Care System, Saint Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YX BB HX ZAA. Analyzed the data: YX BB HX SB ZAA. Contributed reagents/materials/analysis tools: YX BB SB ZAA. Wrote the paper: YX BB HX ZAA.