Background: This is a letter to the editor. Objective: This is a letter to the editor. Methods: This is a letter to the editor. Results: This is a letter to… Click to show full abstract
Background: This is a letter to the editor. Objective: This is a letter to the editor. Methods: This is a letter to the editor. Results: This is a letter to the editor. Conclusions: This is a letter to the editor. [J Med Internet Res 2018;20(5):e180]
               
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