This paper is in the following e-collections/theme issues:

Public (e)Health  Internet-based Survey & Research Methodology  Participatory Medicine & E-Patients  Research Participants Recruitment and Engagement 


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Gill ten Hoor, Christian JPA Hoebe, Jan EAM van Bergen, Elfi EHG Brouwers, Robert AC Ruiter, Gerjo Kok
J Med Internet Res 2014 (Jan 30); 16(1):e24 

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