Article History
Received: 26 June 2020
Accepted: 5 March 2021
First Online: 29 April 2021
Declarations
:
: The authors declared that there is no conflict of interest in this study.
: All authors declare that the research was conducted in accordance with the World Medical Association Declaration of Helsinki “Ethical Principles for Medical Research Involving Human Subjects.” This study did not need to be approved by an ethics committee because it performed bibliometric and altmetric analysis of currently published classical studies.