We acknowledge the immense contributions to the success of ALFSG over 25 years by the staffs at UT Southwestern including Jody Rule, PhD, Nahid Attar and Rehana Mohammed and at MUSC Data Coordinating site, including Valerie Durkalski, PhD, Caitlyn Meinzer, Evan Tomaschek and Kristen Clasen as well as the principal investigators, coordinators, patients and families who participated at 31 study sites. The ongoing enthusiastic support of NIDDK and our Program Officers, Patricia Robuck, PhD, Averell Sherker, MD, and Edward Doo, MD has been vital to this project. The Acute Liver Failure Study Group was supported by R-01 DK 58369 and U-01 DK 58369, to UT Southwestern Medical Center, as well as the Jeanne Roberts Fund of the Southwestern Medical Foundation, Dallas TX. Dr. James was supported by 2R42 DK079387, to UAMS, Little Rock, AK

List of study sites participating in the ALFSG, 1998-2023: University of Texas Southwestern Medical Center; Baylor University Medical Center, Dallas, TX; Medical University of South Carolina, Charleston, SC; University of Washington, Seattle, WA; Washington University, St. Louis, MO; University of California, San Francisco, and California Pacific Medical Center, San Francisco, CA; University of Nebraska, Omaha, NE; Mount Sinai Medical Center and Columbia University Medical Center, New York, NY; Mayo Clinic, Rochester, MN; University of Pittsburgh, Pittsburgh, PA; Northwestern University, Chicago, IL; Oregon Health Sciences Center, Portland, OR; University of California, Los Angeles, CA; University of Michigan, Ann Arbor, MI; Yale University, New Haven, CT; University of Alabama, Birmingham, AL; Massachusetts General Hospital, Boston, MA; Duke University, Durham, NC; Mayo Clinic, Scottsdale, AZ; Albert Einstein Medical Center and University of Pennsylvania, Philadelphia, PA; Virginia Commonwealth University, Richmond, VA; University of California, Davis, CA; Mayo Clinic, Jacksonville, FL; University of California, San Diego, CA; The Ohio State University, Columbus, OH; University of Kansas Medical Center, Kansas City, KS; Emory University, Atlanta, GA; University of Alberta, Edmonton, Canada.