About the Authors

Kui Shen

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Shara D. Rice

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

David A. Gingrich

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Dakun Wang

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Zhibao Mi

Affiliation Cooperative Studies Program Coordinating Center, VA Maryland Health Care System, Perry Point, Maryland, United States of America

Chunqiao Tian

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Zhenyu Ding

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Stacey L. Brower

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Paul R. Ervin Jr.

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Michael J. Gabrin

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

George Tseng

Affiliation Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Nan Song

nsong@ptilabs.com

Affiliation Precision Therapeutics, Inc., Pittsburgh, Pennsylvania, United States of America

Competing Interests

KS, SR, CT, DG, DW, ZD, SB, PE, MG and NS were employees of Precision Therapeutics, Inc., and received salary from Precision Therapeutics, Inc. Zhibao Mi and George Tseng are consultants of Precision Therapeutics, Inc. A provisional patent application (# 61/265,588) related to the content of the manuscript has been filed. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: NS KS GT PE MG SB DW ZM. Performed the experiments: SR. Analyzed the data: NS KS CT DG ZD ZM. Wrote the paper: NS KS SB CT.