Tanaka, Sunao
Ueno, Takayuki
Ishiguro, Hiroshi
Morita, Satoshi
Toi, Masakazu
Article History
Received: 6 September 2016
Revised: 4 January 2017
Accepted: 23 January 2017
First Online: 17 April 2017
Competing interests
: Hiroshi Ishiguro is a consultant of Eli Lilly Japan K.K. and received research grant from Chugai Pharmaceutical co., LTD. All the other authors declared that they have no competing interests.