Sakurai, Ryota
Fujiwara, Yoshinori
Ishihara, Masami
Yasunaga, Masashi
Ogawa, Susumu
Suzuki, Hiroyuki
Imanaka, Kuniyasu
Funding for this research was provided by:
Japan Society for the Promotion of Science (Grant-in-Aid for JSPS fellows (23-5365))
Article History
Received: 5 November 2015
Accepted: 3 June 2016
First Online: 11 June 2016
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The research protocol was approved by the Tokyo Metropolitan Institute of Gerontology.
: All participants gave informed consent prior to their inclusion in the study.