Acknowledgements
We thank our colleagues in the March of the Dimes Prematurity Research Center at Stanford University and Pediatrics Proteomics Group for critical discussions.
Author contributions : XBL, KGS, and HJC contributed to concept development and design.
JY, RJW, and DKS contributed to the acquisition of data.
QH, SH, XY, JY, ZL, JS, ZL, ST, WL, XZ, LM, SL, RJW, GMS, DKS, JCW, and DBM contributed to the analysis and interpretation of data.
QH and SH drafted the manuscript.
XY, JY, ZL, JS, ZL, ST, WL, XZ, LM, SL, RJW, GMS, DKS, HJC, JCW, DBM, KGS, and XBL critically revised the manuscript.
All the authors gave final approval of the version to be submitted and agreed to be accountable for all aspects of the work.
Data and materials availability : The datasets used and/or analyzed in this study are available upon request to the corresponding author.