Hirano, Yoko http://orcid.org/0000-0003-2151-2083
Ii, Yoichi
Funding for this research was provided by:
Pfizer Japan Inc.
Article History
First Online: 9 August 2019
Compliance with Ethical Standards
:
: Pfizer Japan Inc. provided financial support for the use of claims data.
: Yoko Hirano is an employee of Pfizer Pharmaceuticals K.K. Yoichi Ii is an employee of Pfizer R&D Japan G.K. and holds stock/stock options of Pfizer Inc.
: This study did not require ethical committee review in accordance with current ethical standards for epidemiological studies in Japan [CitationRef removed].