Table 1.

Examples from the semi-structured interview guide.

Sample questions of patient satisfaction	Sample questions of doctor effectiveness
What is your immediate impression of this WeChat applet? Is it esthetically pleasing?	What is your immediate impression of this WeChat applet? Is it esthetically pleasing?
How would you rate the Intelligent Assessment System (is it relevant, easy to use and adequate)?	How would you rate the Intelligent Assessment System (is it accurate and convenient and easy to use)?
How would you evaluate the dental knowledge section (is the information relevant and sufficient)?	Can this WeChat improve the effect of nutritional treatment?
Is it possible to integrate this WeChat applet into your daily life? And how?	Can this WeChat applet reduce the amount of repetitive work you have to do?
What are the advantages and disadvantages of this WeChat applet?	What needs does the WeChat applet meet and what needs does it not meet?
Were you able to find the answers to the questions you were looking for?