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Article History

Received: 17 January 2021

Accepted: 25 May 2021

First Online: 4 June 2021

Declarations

:

: The data underlying the results presented in the study are from third party web resources and are available from the URL: . The macroeconomic statistics are open for the public without medical experimentation and human or animal subjects, human cell lines or human tissues in accordance with national and international law. This research could be exempt from ethical approval.

: The authors give their consent for the manuscript to be published in <i>Health Economics Review</i>.

: The authors have declared that no competing interests exist.