Funding for this research was provided by:
Toray Medical Co. Ltd (21500BZZ00045000)
Received: 5 January 2017
Accepted: 25 January 2018
First Online: 9 February 2018
Ethics approval and consent to participate
: The study protocol was approved by the ethical committee of the Wakayama Medical University, Wakayama, Japan. In addition, the clinical trial study protocol was also checked and approved by the institutional review board (IRB) of the Wakayama Medical University, Wakayama, Japan. Written informed consent was obtained from all subjects.
: All participant gave us to accept study protocol with informed consents.
: The corresponding author (TS) has received an honorarium from Toray Medical Co. Ltd., Tokyo, Japan. TB is an employee of Toray Medical Co., Ltd., Japan. TK is a scientific advisory board in Toray Medical Co., Ltd., Japan. However, this involvement does not raise the question of bias in the work reported, or in the conclusions, implications, or opinions stated.
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