The authors and Editorial Board members of the ILAR Journal thank the many reviewers who spent time reviewing articles for the Journal. The reviewers' thoughtful comments improved the quality of the articles and increased the accuracy, readability, and usefulness of the Journal. We are indeed grateful for all of the reviewers' hard work. In addition to Editorial Board members (from ILAR Council), the following individuals provided valuable recommendations regarding manuscripts published in Volume 40:

David Baer, USDA/ARS, Beltsville, MD

Denis A. Baylor, Stanford University, Stanford, CA

Thomas Beauchamp, Georgetown University, Washington, DC

Gordon M. Burghardt, University of Tennessee-Knoxville, Knoxville, TN

Thomas M. Butler, Southwest Foundation for Biomedical Research, San Antonio, TX

Fernando Cervero, University of Alcala, Madrid, Spain

Robert Desimone, National Institutes of Mental Health, Bethesda, MD

Claire M. Doerschnk, Harvard University, Boston, MA

Strachan Donneiley, The Hastings Center, Garrison, NY

Rebecca Dresser, Washington University, St. Louis, MO

James C. Eisenach, Wake Forest University, Winston-Salem, NC

Robert D. Foreman, University of Oklahoma, Oklahoma City, OK

Nelson Garnett, National Institutes of Health, Rockville, MD

Jack Gauldie, McMaster University, Hamilton, Ontario, Canada

Richard Goodman, Veterans Administration, Seattle, WA

Donna Hammond, University of Chicago, Chicago, IL

Ken M. Hargreaves, University of Texas, San Antonio, TX

Peter M. Henson, National Jewish Medical & Research Center, Denver, CO

Karin Westlund High, University of Texas, Galveston, TX

Manel Jordana, McMaster University, Hamilton, Ontario, Canada

Joseph J. Knapka, Brookville, MD

Serio Lira, Schering-Plough Research Institute, Kenilworth, NJ

John G. Miller, AAALAC International, Rockville, MD

Lyle Moldawer, University of Florida, Gainesville, FL

Gerald B. Pier, Harvard University, Boston, MA

Michael Racke, Washington University, St. Louis, MO

Richard M. Ransohoff, Cleveland Clinic Foundation, Cleveland, OH

J. Wesley Robb, Seattle, WA

Andrew Rowan, Humane Society of the United States, Washington, DC

Lilly-Marlene Russow, Purdue University, West Lafayette, IN

Earl Smith, University of Houston, Houston, TX

Joseph S. Solomkin, University of Cincinnati, Cincinnati, OH

James F. Taylor, National Institutes of Health, Bethesda, MD

Robert M. Veatch, Kennedy Institute of Ethics, Washington, DC

Keith Walley, University of British Columbia, Vancouver, British Columbia, Canada

Josh Waliman, City University of New York, New York, NY

Robert Webster, St. Louis Health Science Center, St. Louis, MO

Mark Willcox, University of New South Wales, Sydney, Australia

Robert H. Wurtz, National Institutes of Health, Bethesda, MD

Zhou Xing, McMaster University, Hamilton, Ontario, Canada