Table 2. Count of supplementary file types.

Each row denotes one of file type. For each type, for COSMIC the number of files and the number of articles, denoted by PMIDs, is shown. In the case of the InSiGHT database, there is only one supplementary file in MS Word format linked to one article.

Set	COSMIC		InSiGHT
	Files	PMIDs
MS Word MS Excel PDF documents MS Powerpoint CSV files Images	176 111 82 34 1 101	87 57 70 17 1 36	1 0 0 0 0 0
Total	505	138	1