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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1989 1
1990 1
1996 2
1998 1
1999 1
2000 1
2004 1
2005 1
2008 1
2009 2
2010 1
2011 7
2014 2
2018 1
2019 1
2020 0
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23 results
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Page 1
The NutriAct Family Study: a web-based prospective study on the epidemiological, psychological and sociological basis of food choice.
Schwingshackl L, Ruzanska U, Anton V, Wallroth R, Ohla K, Knüppel S, Schulze MB, Pischon T, Deutschbein J, Schenk L, Warschburger P, Harttig U, Boeing H, Bergmann MM. Schwingshackl L, et al. Among authors: harttig u. BMC Public Health. 2018 Aug 3;18(1):963. doi: 10.1186/s12889-018-5814-x. BMC Public Health. 2018. PMID: 30075718 Free PMC article.
Design and characterization of dietary assessment in the German National Cohort.
Knüppel S, Clemens M, Conrad J, Gastell S, Michels KB, Leitzmann M, Krist L, Pischon T, Krause G, Ahrens W, Ebert N, Jöckel KH, Kluttig A, Obi N, Kaaks R, Lieb W, Schipf S, Brenner H, Heuer T, Harttig U, Linseisen J, Nöthlings U, Boeing H. Knüppel S, et al. Among authors: harttig u. Eur J Clin Nutr. 2019 Nov;73(11):1480-1491. doi: 10.1038/s41430-018-0383-8. Epub 2019 Jan 15. Eur J Clin Nutr. 2019. PMID: 30647440
The improved physical activity index for measuring physical activity in EPIC Germany.
Wientzek A, Vigl M, Steindorf K, Brühmann B, Bergmann MM, Harttig U, Katzke V, Kaaks R, Boeing H. Wientzek A, et al. Among authors: harttig u. PLoS One. 2014 Mar 18;9(3):e92005. doi: 10.1371/journal.pone.0092005. eCollection 2014. PLoS One. 2014. PMID: 24642812 Free PMC article.
Rationale and methods of the European Food Consumption Validation (EFCOVAL) Project.
de Boer EJ, Slimani N, van 't Veer P, Boeing H, Feinberg M, Leclercq C, Trolle E, Amiano P, Andersen LF, Freisling H, Geelen A, Harttig U, Huybrechts I, Kaic-Rak A, Lafay L, Lillegaard IT, Ruprich J, de Vries JH, Ocké MC; EFCOVAL Consortium. de Boer EJ, et al. Among authors: harttig u. Eur J Clin Nutr. 2011 Jul;65 Suppl 1:S1-4. doi: 10.1038/ejcn.2011.82. Eur J Clin Nutr. 2011. PMID: 21731000
Development and evaluation of a short 24-h food list as part of a blended dietary assessment strategy in large-scale cohort studies.
Freese J, Feller S, Harttig U, Kleiser C, Linseisen J, Fischer B, Leitzmann MF, Six-Merker J, Michels KB, Nimptsch K, Steinbrecher A, Pischon T, Heuer T, Hoffmann I, Jacobs G, Boeing H, Nöthlings U. Freese J, et al. Among authors: harttig u. Eur J Clin Nutr. 2014 Mar;68(3):324-9. doi: 10.1038/ejcn.2013.274. Epub 2014 Jan 8. Eur J Clin Nutr. 2014. PMID: 24398637
Comparing four methods to estimate usual intake distributions.
Souverein OW, Dekkers AL, Geelen A, Haubrock J, de Vries JH, Ocké MC, Harttig U, Boeing H, van 't Veer P; EFCOVAL Consortium. Souverein OW, et al. Among authors: harttig u. Eur J Clin Nutr. 2011 Jul;65 Suppl 1:S92-101. doi: 10.1038/ejcn.2011.93. Eur J Clin Nutr. 2011. PMID: 21731012
The European Food Consumption Validation Project: conclusions and recommendations.
de Boer EJ, Slimani N, van 't Veer P, Boeing H, Feinberg M, Leclercq C, Trolle E, Amiano P, Andersen LF, Freisling H, Geelen A, Harttig U, Huybrechts I, Kaic-Rak A, Lafay L, Lillegaard IT, Ruprich J, de Vries JH, Ocké MC; EFCOVAL Consortium. de Boer EJ, et al. Among authors: harttig u. Eur J Clin Nutr. 2011 Jul;65 Suppl 1:S102-7. doi: 10.1038/ejcn.2011.94. Eur J Clin Nutr. 2011. PMID: 21731001
Feasibility of innovative dietary assessment in epidemiological studies using the approach of combining different assessment instruments.
Illner AK, Harttig U, Tognon G, Palli D, Salvini S, Bower E, Amiano P, Kassik T, Metspalu A, Engeset D, Lund E, Ward H, Slimani N, Bergmann M, Wagner K, Boeing H. Illner AK, et al. Among authors: harttig u. Public Health Nutr. 2011 Jun;14(6):1055-63. doi: 10.1017/S1368980010003587. Epub 2011 Mar 9. Public Health Nutr. 2011. PMID: 21385523 Clinical Trial.
Estimating usual food intake distributions by using the multiple source method in the EPIC-Potsdam Calibration Study.
Haubrock J, Nöthlings U, Volatier JL, Dekkers A, Ocké M, Harttig U, Illner AK, Knüppel S, Andersen LF, Boeing H; European Food Consumption Validation Consortium. Haubrock J, et al. Among authors: harttig u. J Nutr. 2011 May;141(5):914-20. doi: 10.3945/jn.109.120394. Epub 2011 Mar 23. J Nutr. 2011. PMID: 21430241
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