The following individuals served as collaborators and investigators for the NEPHRON studies. They collaborated in protocol development and review and data analysis, and participated in drafting or review of the manuscript, and their names should be citable by PubMed.

Andrew Smith1, Katie L Brandewie2, Priya N Bhat3, John W Diddle4, Muhammed Ghbeis5, Kenneth E Mah6, Tara M Neumayr7, Tia T Raymond8, Parthak Prodhan9, Xiomara Garcia9, Shannon Ramer9, Mindy Albertson9, David S. Cooper2, Zahidee Rodriguez10, Mary Lukacs2, Michael Gaies2, Amanda Sammons2, Joan Sanchez de Toledo11, Yuliya A Domnina4, Lucas Saenz11, Tracy Baust11, Jane Kluck12, Joshua D Koch13, Jun Sasaki5, Aanish Raees2, Natasha S Afonso3, Erika R O’Neill3, Javier J Lasa3, Patrick A Phillips14, Kristal M Hock14, Santiago Borasino14, David Kwiatkowski6, Joshua Blinder6, Kevin Valentine15, Sachin Tadphale16, Jason R Buckley17, Shanelle Clarke10, Wenying Zhang18, Mohammed Absi16, David J Askenazi.14

1Johns Hopkins University, St. Petersburg, FL, USA.

2Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA.

3Texas Children’s Hospital, Houston, TX, USA.

4Children’s National Medical Center, Washington DC, USA.

5Boston Children’s Hospital, Boston, MA, USA.

6Stanford Children’s Hospital, Palo Alto, CA, USA.

7Washington University School of Medicine, St. Louis, MO, USA

8Medical City Children’s Hospital, Dallas, TX, USA.

9Arkansas Children’s Hospital, Little Rock, AK, USA.

10Children’s Healthcare of Atlanta, Atlanta, GA, USA.

11Children’s Hospital of Pittsburgh, Pittsburgh, PA, USA.

12Children’s Hospital Wisconsin, Milwaukee, WI, USA.

13Phoenix Children’s Hospital, Phoenix, AZ, USA.

14Children’s of Alabama, Birmingham, AB, USA.

15Riley Hospital for Children, Indianapolis, IN, USA.

16LeBonheur Children’s Hospital, Memphis, TN, USA.

17Medical University of South Carolina, Charleston, SC, USA.

18University of Michigan, Ann Arbor, MI, USA.