Published on in Vol 7, No 4 (2018): April

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/9537, first published .
The Unanticipated Challenges Associated With Implementing an Observational Study Protocol in a Large-Scale Physical Activity and Global Positioning System Data Collection

The Unanticipated Challenges Associated With Implementing an Observational Study Protocol in a Large-Scale Physical Activity and Global Positioning System Data Collection

The Unanticipated Challenges Associated With Implementing an Observational Study Protocol in a Large-Scale Physical Activity and Global Positioning System Data Collection

Authors of this article:

Paul McCrorie1 Author Orcid Image ;   David Walker1 Author Orcid Image ;   Anne Ellaway1 Author Orcid Image

Paul McCrorie   1 , BSc (Hons), MSc, PhD ;   David Walker   1 , MA (Sociology), MSc (Sociology) ;   Anne Ellaway   1 , BA (Hons), MSc, PhD

1 MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, United Kingdom

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