Iwahori, T
Ueshima, H http://orcid.org/0000-0002-7742-4253
Torii, S
Saito, Y
Fujiyoshi, A
Ohkubo, T
Miura, K
Article History
Received: 23 February 2015
Revised: 26 May 2015
Accepted: 26 June 2015
First Online: 27 August 2015
Competing interests
: Mr Toshiyuki Iwahori is an employee of OMRON HEALTHCARE Co., Ltd. Dr Hirotsugu Ueshima served as a consultant for this project. Dr Katsuyuki Miura received a research grant from OMRON HEALTHCARE Co., Ltd.