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Smartphone Versus Pen-and-Paper Data Collection of Infant Feeding Practices in Rural China

Smartphone Versus Pen-and-Paper Data Collection of Infant Feeding Practices in Rural China

We carried out the surveys in four village clinics in Zhaozhou Township, Zhao County, Hebei Province, China. More detailed information on the study setting can be found in Multimedia Appendix 1.

Shuyi Zhang, Qiong Wu, Michelle HMMT van Velthoven, Li Chen, Josip Car, Igor Rudan, Yanfeng Zhang, Ye Li, Robert W Scherpbier

J Med Internet Res 2012;14(5):e119


From Help-Seekers to Influential Users: A Systematic Review of Participation Styles in Online Health Communities

From Help-Seekers to Influential Users: A Systematic Review of Participation Styles in Online Health Communities

Zhao et al [23] created a machine learning classifier with 69 metrics that was used to identify influential users in an OHC. These users were regarded as leaders who could influence the emotional sentiment of other users.

Bradley Carron-Arthur, Kathina Ali, John Alastair Cunningham, Kathleen Margaret Griffiths

J Med Internet Res 2015;17(12):e271


Comment on: Clinical Validity, Understandability, and Actionability of Online Cardiovascular Disease Risk Calculators: Systematic Review

Comment on: Clinical Validity, Understandability, and Actionability of Online Cardiovascular Disease Risk Calculators: Systematic Review

Thus, it would have been useful if the authors had added to their research strategy a literature search of review documents focusing on cardiovascular risk assessment as was carried out by Zhao and colleagues [4].

Ivan Sisa

J Med Internet Res 2018;20(3):e10093