Kai, Hisashi
Article History
Received: 13 March 2017
Revised: 20 March 2017
Accepted: 21 March 2017
First Online: 27 April 2017
Competing interests
: HK has received lecture fees from Daiichi Sankyo, Mitsubishi Tanabe Pharma, MSD KK, Sumitomo Dainippon Pharma, Takeda Pharmaceutical and Toa Eiyo.
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