Vitamin D Standardization Program (VDSP) Key Collaborators

National Institutes of Health, U.S.A.
Office of Dietary Supplements
Christopher T. Sempos, Ph.D.
Program Coordinator, Vitamin D Standardization Program             
Email: [email protected]
Web site: ods.od.nih.gov/vdsp

National Institute of Standards and Technology,
U.S.A.
Johanna Camara, Ph.D.
Chemical Sciences Division
Email: [email protected]
Web site: www.nist.gov

Centers for Disease Control and Prevention, U.S.A.
Vitamin D Standardization-Certification Program
Hubert W. Vesper, Ph.D.
Director, CDC Standardization-Certification Program
Email: [email protected]
Web site: www.cdc.gov/labstandards/hs.html

Ghent University, Belgium
Laboratory for Analytical Chemistry
Katleen Van Uytfanghe, Ph.D.
Faculty of Pharmaceutical Sciences
Email: [email protected]
Web site: www.ugent.be/fw/en/research/
pharmaceutical- analysis/analytic/linda

Vitamin D External Quality Assessment Scheme, U.K.
Julia Jones, Administrator
Email: [email protected]
Web site: www.deqas.org/

College of American Pathologists
Andrew Hoofnagle, M.D., Ph.D.
Associate Professor, University of Washington
College of American Pathologists Liaison to VDSP
Email: [email protected]
Web site: http://www.cap.org/apps/cap.portal

American Association for Clinical Chemistry
Web site: www.aacc.org

International Federation of Clinical Chemistry
and Laboratory Medicine
Ian S. Young, M.D., Ph.D.
Professor of Medicine, Queen’s University Belfast
Email: [email protected]
Web site: http://www.ifcc.org

Australian Health Survey (AHS)
Juanita Pettit
Director, Health and Disability Branch
Australian Bureau of Statistics
Email: [email protected]
Website: http://www.abs.gov.au/
australianhealthsurvey

Canadian Health Measures Survey (CHMS)
Steven Brooks, Ph.D.
Bureau of Nutritional Sciences, Health Canada
Email: [email protected]
Kurtis Sarafin 
Email: [email protected]
Website: http://www.statcan.gc.ca/eng/survey
/household/5071

Robert Koch Institut 
Michael Thamm
Head, Central Laboratory Unit
Department of Epidemiology and Health Reporting
Email: [email protected]
Stefan Lentz, M.D.
Chief, Central Laboratory
Email: [email protected] 
Website: www.rki.de/EN/Content/Health_Monitoring/
HealthSurveys/HealthSurveys_node.html

Irish National Adult Nutrition Survey (NANS)
Kevin D. Cashman, Ph.D.
Professor and Head
School of Food and Nutritional Sciences, 
University College Cork
Email: [email protected]
Website: https://www.ucc.ie/en/nans/

The Mexican Health and Nutrition Survey 2006
Simón Barquera, M.D., M.S., Ph.D.
Investigator Nacional SNI-CONACYT
Director del Area de Epidemiologia Nutricional
Instituto Nacional de Salud Publica
Email: [email protected]
Website: http://ensanut.insp.mx/

The Korea National Health and Nutrition
Examination Survey (KNHANES)
Kyungwon Oh, Ph.D.
Director, Division of Health and Nutrition Survey
Korea Centers for Disease Control and Prevention
E-mail: [email protected]
Website: https://knhanes.cdc.go.kr/knhanes/
eng/index.do

National Health and Nutrition
Examination Survey (NHANES)
David Lacher, M.D.
Medical Director
National Center for Health Statistics. CDC
Email: [email protected]
Website: http://www.cdc.gov/nchs/nhanes.htm