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Article History

Accepted: 3 October 2020

First Online: 27 October 2020

Declarations

:

: Pfizer Japan Inc. was the only direct sponsor of this study and fees were paid to IQVIA Solutions Japan K.K. A.Y. and N.Y. are employees of Pfizer Japan Inc. and substantially contributed to the conception, design, analysis of data and the subsequent drafting of this work.

: The authors declare the following potential conflicts of interest with respect to the research, authorship and/or publication of this article: A.Y. and N.Y. are full-time employees of Pfizer Japan Inc. S.D. and C.F. are full-time employees of IQVIA Solutions Japan K.K. S.I. declared no conflicts of interest associated with this manuscript.

: Not applicable.

: Not applicable.

: Not applicable.

: The data set used for the analysis was gathered from various public domains (i.e. the agencies’ websites) and are hence publicly available, but are also available from the corresponding author upon reasonable request. Standard statistical function was used in R and no additional software code was developed.

: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.

: All authors contributed to the study design, analysis, interpretation, writing manuscript and review. C.F., R.D.M., H.M. and R.M. contributed to the data collection.