Article History
First Online: 19 October 2019
Compliance with Ethical Standards
:
: No funding was received for the conduct of this study.
: Tsuyoshi Kobayashi is an employee of Chugai Pharmaceutical Co., Ltd. Masayuki Kaneko and Mamoru Narukawa do not have conflicts of interest related to this study.
: The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.