Kanda, Eiichiro
Usui, Tomoko
Kashihara, Naoki
Iseki, Chiho
Iseki, Kunitoshi
Nangaku, Masaomi
Funding for this research was provided by:
Japan Agency for Medical Research and Development (No. 2180)
Article History
Received: 27 March 2017
Accepted: 16 July 2017
First Online: 7 September 2017
Compliance with ethical standards
:
: This research is partially supported by the Research on Regulatory Science of Pharmaceuticals and Medical Devices from Japan Agency for Medical Research and Development, AMED. All authors have declared no competing interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the JSN at which the studies were conducted (approval number 35) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was performed according to Ethical Guidelines for Medical and Health Research Involving Human Subjects enacted by Ministry of Health, Labour and Welfare of Japan [CitationRef removed]. Since it is difficult to obtain written or oral informed consent from the study subjects who participated between 1993 and 1996, and information provided from Okinawa Health Promotion Foundation was anonymized, the investigators shall not necessarily be required to obtain informed consent according to the guideline.