Tsuji, Mayumi
Ishihara, Yasuhiro
Isse, Toyohi
Koriyama, Chihaya
Yamamoto, Megumi
Kakiuchi, Noriaki
Yu, Hsu-Sheng
Tanaka, Masayuki
Tsuchiya, Takuto
Ohta, Masanori
Tanaka, Rie
Kawamoto, Toshihiro
Article History
Received: 30 March 2018
Accepted: 29 May 2018
First Online: 19 June 2018
Competing interest
: The authors declare that they have no competing interests.
: This study was approved by the Institutional Ethics Committee at the University of Occupational and Environmental Health in 2013 (H25-008) and Kagoshima University Graduate School of Medical and Dental Sciences in 2014 (486).
: Written informed consents were obtained from all participants.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.