Diet Modification

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

• The Pennsylvania State University — University Park, Pennsylvania, United States

• California State University San Marcos — San Marcos, California, United States

• Texas Tech Health Science Center — Lubbock, Texas, United States

• University of Colorado Boulder — Boulder, Colorado, United States

• Purdue University — West Lafayette, Indiana, United States

• Geriatric Research Center at Wake Forest Baptist Health — Winston-Salem, North Carolina, United States

• McMaster Health Sciences Centre — Hamilton, Ontario, Canada

Not specified

• Tulane Office of Health Research — New Orleans, Louisiana, United States