This paper is in the following e-collection/theme issue:

Research Instruments, Questionnaires, and Tools 

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Works citing "Active-Q: Validation of the Web-Based Physical Activity Questionnaire Using Doubly Labeled Water"

Stephanie Erika Bonn, Ylva Trolle Lagerros, Sara Elisabeth Christensen, Elisabeth Möller, Antony Wright, Arvid Sjölander, Katarina Bälter
J Med Internet Res 2012 (Feb 15); 14(1):e29 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.1974):

(note that this is only a small subset of citations)

1. Christensen SE, Möller E, Bonn SE, Ploner A, Bälter O, Lissner L, Bälter K. Relative Validity of Micronutrient and Fiber Intake Assessed With Two New Interactive Meal- and Web-Based Food Frequency Questionnaires. Journal of Medical Internet Research 2014;16(2):e59 [CrossRef]
2. Christensen SE, Möller E, Bonn SE, Ploner A, Wright A, Sjölander A, Bälter O, Lissner L, Bälter K. Two New Meal- and Web-Based Interactive Food Frequency Questionnaires: Validation of Energy and Macronutrient Intake. Journal of Medical Internet Research 2013;15(6):e109 [CrossRef]
3. Riebl SK, Paone AC, Hedrick VE, Zoellner JM, Estabrooks PA, Davy BM. The Comparative Validity of Interactive Multimedia Questionnaires to Paper-Administered Questionnaires for Beverage Intake and Physical Activity: Pilot Study. JMIR Research Protocols 2013;2(2):e40 [CrossRef]
4. da Costa FF, Schmoelz CP, Davies VF, Di Pietro PF, Kupek E, de Assis MAA. Assessment of Diet and Physical Activity of Brazilian Schoolchildren: Usability Testing of a Web-Based Questionnaire. JMIR Research Protocols 2013;2(2):e31 [CrossRef]
5. Bonn SE, Trolle Lagerros Y, Bälter K. How Valid are Web-Based Self-reports of Weight?. Journal of Medical Internet Research 2013;15(4):e52 [CrossRef]
6. Namba H, Yamaguchi Y, Yamada Y, Tokushima S, Hatamoto Y, Sagayama H, Kimura M, Higaki Y, Tanaka H. Validation of Web-Based Physical Activity Measurement Systems Using Doubly Labeled Water. Journal of Medical Internet Research 2012;14(5):e123 [CrossRef]