**3.2 Selection criteria**

General search criteria: The developed search query was used in Scopus without year restriction with a focus on the subject areas of *Chatbots* and *primary healthcare* and only documents available in the English language.

Refining criteria: Studies were included based on these predetermined criteria:


Similarly, articles were excluded based on these predetermined criteria:


*A State-of-the Art Survey on Chatbots Technology Developments and Applications in Primary… DOI: http://dx.doi.org/10.5772/intechopen.110847*

#### **3.3 Data extraction**

The result was further reviewed, and the following information was extracted from each publication:

1.Year.

2.Authors.

3.Title.

