Projects per year
Personal profile
Research interests
Malnutrition; nutritional assessment; frailty
Education/Academic qualification
Doctor of Philosophy, Pre- and post-treatment malnutrition in head and neck cancer patients, University of Groningen, University Medical Center Groningen, Department of Oral and Maxillofacial Surgery
Award Date: 8 Sept 2010
External positions
Honorary Fellow, Vrije Universiteit Brussel, Research Group Experimental Anatomy
Jun 2021 → …
Guest Professor, Vrije Universiteit Brussel, Research Group Experimental Anatomy
Apr 2021 → 2025
Movement and Rehabilitation Fellow, Vrije Universiteit Brussel, Research Group Experimental Anatomy
Jun 2018 → Jun 2021
Senior researcher, University of Groningen, University Medical Center Groningen, Department of Oral and Maxillofacial Surgery
2004 → …
Research Focus Areas Hanze University of Applied Sciences * (mandatory by Hanze)
- Healthy Ageing
Research Focus Areas Research Centre or Centre of Expertise * (mandatory by Hanze)
- Frailty and adequate care
Publinova themes
- Other
- Education and Teaching
- Recreation, Exercise and Sports
- Health
- People and Society
- Technology
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 03 Good Health and Well-being -
SDG 17 Partnerships for the Goals
Fingerprint
Dive into the research topics where Harriët Jager-Wittenaar is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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NUBUS: Nutritional practice among patients with burns
Bosch, F. G. (CoI), Jager-Wittenaar, H. (PI), Nieuwenhuis, M. K. (PI) & van der Schans, C. (PI)
1/03/22 → …
Project: PHD Research
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Body composition analysis: validity and reliability of muscle assessment methods
Jager-Wittenaar, H. (PI) & Scafoglieri, A. (PI)
21/06/18 → …
Project: Research
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Association between low muscle mass and early termination of chemotherapy treatment in patients with head and neck cancer
Sealy, M. (CoI), Dechaphunkul, T. (CoI), van der Schans, C. (CoI), Krijnen, W. (CoI), Roodenburg, J. (CoI), Walker, J. (CoI), Jager-Wittenaar, H. (CoI) & Baracos, V. (PI)
1/01/15 → …
Project: Research
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Monitoren eten en drinken in het ziekenhuis. Een onderzoek naar de bijdrage van technologische- en proces innovaties aan persoonsgerichte monitoring van voeding en vocht
Nieboer, M. (PI), Zijpp, T. (CoPI), Jager-Wittenaar, H. (CoI), van Zaalen, Y. (CoI), Delvaux, E. (CoI), Peters, P. J. F. (CoI), Janssen, E. (CoI), Metz, S. (CoI), de van der Schueren, M. (CoI) & van der Meij, B. (CoI)
1/05/22 → 30/04/24
Project: Research
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Bridging the gap in nutrition assessment: Barriers and knowledge impact of an educational session on body composition and energy metabolism
Orsso, C. E. (First author), Caretero, A., Ghomashchi, H., Atkins, M., Barbosa-Silva, T., Basualdo-Hammond, C., Cardenaz Braz, D., Chevalier, S., Gonzalez, M. C., Gramlich, L., Jager-Wittenaar, H., Kiss, N., Purcell, S., Quintanilha, M., Sidhu, S., Tandon, P., Tom, M. & Prado, C., Jun 2026, In: Nutrition in Clinical Practice. 41, 3, p. 859-870 12 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Co-designing an interprofessional care pathway for (risk of) malnutrition and sarcopenia in community-dwelling older adults
Drenth, H., Boxum-Bergsma, S., Jager-Wittenaar, H., Reinders, J.-J., van den Berg, M., van 't Veer, J., Tieland, M., Spoorenberg, S., Geluk-Bleumink, A. & van der Wees, P., 20 Jan 2026, In: BMC Health Services Research. 26, 1, p. 01-14 14 p., 245.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Development and Testing a Measure of Experienced Frailty for Community-Dwelling Older Adults: The Frailty Experiences Scale (FES)
Golbach, R., Hobbelen, J., Krijnen, W., Jager-Wittenaar, H. & Finnema, E., 9 Feb 2026, (E-pub ahead of print) In: Gerontology and Geriatric Medicine. 12, p. 1-12 12 p.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
Eating Experiences of Patients With Cancer in the Hospital: A Qualitative Study
van Elst, J. M. (First author), Beukers, K., Beijer, S., Janssen-Heijnen, M., Reyners, A. K. L., Jager-Wittenaar, H. & de Haan, J. J., Jun 2026, In: Journal of Human Nutrition and Dietetics. 39, 3Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile152 Downloads (Pure) -
External Validation of an Open-Source Model for Automated Muscle Segmentation in CT Imaging of Cancer Patients
Erenstein, H. (First author), Van den Broeck, J., van der Heij-Meijer, A., Krijnen, W., Scafoglieri, A., Jager-Wittenaar, H., Sealy, M. & van Ooijen, P., 18 Mar 2026, In: Journal of Imaging. 12, 3Research output: Contribution to journal › Article › Academic › peer-review
Open Access
Activities
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InterGAIN Eindsymposium
Jager-Wittenaar, H. (Organiser)
23 Apr 2026Activity: Attending, contributing or organising an event › Organising or contributing to a workshop, seminar, course
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MONDAY symposium
Jager-Wittenaar, H. (Organiser)
21 Jan 2026Activity: Attending, contributing or organising an event › Organising or contributing to a workshop, seminar, course
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Nutritional assessment als sleutel tot passende zorg
Jager-Wittenaar, H. (Speaker)
22 Jan 2026Activity: Talk or presentation › Invited talk
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Van data naar doen: MONDAY als motor voor betere voedingszorg
Jager-Wittenaar, H. (Speaker)
21 Apr 2026Activity: Talk or presentation › Invited talk
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Recommendations for risk of malnutrition screening within the GLIM procedure
Jager-Wittenaar, H. (Speaker)
15 Sept 2025Activity: Talk or presentation › Invited talk
Press/Media
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Diëtist Harriët Jager-Wittenaar benoemd tot bijzonder hoogleraar
30/06/23
1 item of Media coverage
Press/Media: Research
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Helft risicopatiënten kampt bij intake diëtist met zware ondervoeding. Onderzoeker Hanzehogeschool Groningen: 'Echt shocking'
11/04/23
1 item of Media coverage
Press/Media: Expert Comment