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The Social Construction of Categorical Data: Mixed Methods Approach to Assessing Data Features in Publicly Available Datasets

Theresa Willem, Alessandro Wollek, Theodor Cheslerean-Boghiu, Martha Kenney, Alena Buyx

JMIR Med Inform 2025;13:e59452

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Social Media Recruitment as a Potential Trigger for Vulnerability: Multistakeholder Interview Study

Nina Matthes, Theresa Willem, Alena Buyx, Bettina M Zimmermann

JMIR Hum Factors 2024;11:e52448

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Acceptance of Social Media Recruitment for Clinical Studies Among Patients With Hepatitis B: Mixed Methods Study

Theresa Willem, Bettina M Zimmermann, Nina Matthes, Michael Rost, Alena Buyx

J Med Internet Res 2024;26:e54034

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Practical Benefits, Challenges, and Recommendations on Social Media Recruitment: Multi-Stakeholder Interview Study

Nina Goldman, Theresa Willem, Alena Buyx, Bettina M Zimmermann

J Med Internet Res 2023;25:e44587

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Correction: Ethical Issues in Social Media Recruitment for Clinical Studies: Ethical Analysis and Framework

Bettina M Zimmermann, Theresa Willem, Carl Justus Bredthauer, Alena Buyx

J Med Internet Res 2022;24(9):e40848

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Practices and Attitudes of Bavarian Stakeholders Regarding the Secondary Use of Health Data for Research Purposes During the COVID-19 Pandemic: Qualitative Interview Study

Stuart McLennan, Sarah Rachut, Johannes Lange, Amelia Fiske, Dirk Heckmann, Alena Buyx

J Med Internet Res 2022;24(6):e38754

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Ethical Issues in Social Media Recruitment for Clinical Studies: Ethical Analysis and Framework

Bettina M Zimmermann, Theresa Willem, Carl Justus Bredthauer, Alena Buyx

J Med Internet Res 2022;24(5):e31231

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Early Perceptions of COVID-19 Contact Tracing Apps in German-Speaking Countries: Comparative Mixed Methods Study

Bettina Maria Zimmermann, Amelia Fiske, Barbara Prainsack, Nora Hangel, Stuart McLennan, Alena Buyx

J Med Internet Res 2021;23(2):e25525

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COVID-19: Putting the General Data Protection Regulation to the Test

Stuart McLennan, Leo Anthony Celi, Alena Buyx

JMIR Public Health Surveill 2020;6(2):e19279

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Data Work: Meaning-Making in the Era of Data-Rich Medicine

Amelia Fiske, Barbara Prainsack, Alena Buyx

J Med Internet Res 2019;21(7):e11672

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