Iwai-Shimada, Miyuki
,
Nakayama, Shoji F.
Isobe, Tomohiko
Michikawa, Takehiro
Yamazaki, Shin
Nitta, Hiroshi
Takeuchi, Ayano
Kobayashi, Yayoi
Tamura, Kenji
Suda, Eiko
Ono, Masaji
Yonemoto, Junzo
Kawamoto, Toshihiro
Funding for this research was provided by:
Ministry of the Environment
Article History
Received: 7 May 2018
Accepted: 21 August 2018
First Online: 15 September 2018
Ethics approval and consent to participate
: The study protocol was approved by the Ministry of the Environment’s Institutional Review Board on Epidemiological Studies as well as the ethics committees of all participating institutions. All the participants provided written informed consent.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.