Funding for this research was provided by:
Japan Society for the Promotion of Science (25293626, 26670553)
Smoking Research Foundation
Received: 12 December 2017
Accepted: 1 March 2018
First Online: 9 March 2018
: The animal experiments in this study were performed in accordance with institutional and national guidelines regarding animal care and approved by the Animal Care and Use Committee of the Hamamatsu University School of Medicine. This article does not describe any studies with human participants performed by any of the authors.
: Not applicable
: The authors declare that they have no competing interests.
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