[Retracted] Blockchain in Secure Healthcare Systems: State of the Art, Limitations, and Future Directions

Table 5

Data items and their description.

#	Data item	Description
1	Year	Publication year of the paper
2	Title	Title of the paper
3	Authors	The authors of the paper
4	Country	Country of affiliation of the authors
5	Publication channel	The channel through which the paper is published
6	Publication type	Journal/conference/workshop/etc.
7	Publication source	Academia/industry/both
8	Paper type	Type based on classification scheme
9	Paper contributions	Main contributions of the paper
10	Summary	Our own summary or abstract of the paper