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

Internet-based Survey & Research Methodology 

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Works citing "Validation of an Informant-Reported Web-Based Data Collection to Assess Dementia Symptoms"

Kenneth Rockwood, An Zeng, Chris Leibman, Lisa Mucha, Arnold Mitnitski
J Med Internet Res 2012 (Mar 12); 14(2):e42 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.1941):

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

1. Lillevoll KR, Vangberg HCB, Griffiths KM, Waterloo K, Eisemann MR. Uptake and adherence of a self-directed internet-based mental health intervention with tailored e-mail reminders in senior high schools in Norway. BMC Psychiatry 2014;14(1):14 [CrossRef]
2. Rockwood K, Richard M, Leibman C, Mucha L, Mitnitski A. Staging Dementia From Symptom Profiles on a Care Partner Website. Journal of Medical Internet Research 2013;15(8):e145 [CrossRef]