This data.zip contains the following files:

• 1st_Batch.csv: papers of 1st batch - extracted by searching from databases.
• 1st_Batch_label.csv: raw data after labeling whether to adopt the papers of 1st batch.
• 1st_Batch_1st_filtering.csv: papers of 1st batch after filtering based on the title and the abstract.
• 1st_Batch_2nd_filtering.csv: papers of 1st batch after filtering based on the full text.
• 2nd_Batch.csv: papers of 2nd batch - extracted by snowballing.
• 2nd_Batch_label.csv: raw data after labeling whether to adopt the papers of 2nd batch.
• 2nd_Batch_1st_filtering.csv: papers of 2nd batch after filtering based on the title and the abstract.
• 2nd_Batch_2nd_filtering.csv: papers of 2nd batch after filtering based on the full text.
• sampled_2nd_snowballing.csv: papers of sampled snowballing - extracted by performing 2nd-round snowballing on sampled papers.
• sampled_2nd_snowballing_selected.csv: papers of sampled snowballing after filtering based on the title and the abstract.
• revived_papers.csv: papers that were initially excluded and later added back due to the double check during coding process.
• "coding" folder: raw data of paper coding coding - each html file represents a selected paper.