Prehypertension

• Maccabi Health care, outpatient clinic — Holon, Israel

• Thomas Jefferson University — Philadelphia, Pennsylvania, United States

• Emory University — Atlanta, Georgia, United States

• Memorial University of Newfoundland — St. John's, Newfoundland and Labrador, Canada
• Memorial University of Newfoundland — St. John's, Newfoundland and Labrador, Canada

• Biofortis Inc. — Addison, Illinois, United States
• Dr. William O'Mahony Medicine Professional Corporation — Corunna, Ontario, Canada
• Dr. Steven V. Zizzo Medicine Professional Corporation — Hamilton, Ontario, Canada
• Milestone Research — London, Ontario, Canada

• The third hospital affiliated to the Third Military Medical University — Chongqing, Chongqing Municipality, China

• Yonsei universty medical center — Seoul, South Korea

• The First Affiliated Hospital, Sun Yat-sen University — Guangzhou, Guangdong, China

Not specified

• National Institute for Health and Welfare — Helsinki, Finland