[1] Natl Inst Hlth Sci, Setagaya Ku, 1-18-1 Kamiyoga, Tokyo 1588501, Japan
[2] FASMAC CO LTD, 5-1-3 Midorigaoka, Atsugi, Kanagawa 2430041, Japan
[3] Natl Agr & Food Res Org, Natl Food Res Inst, Analyt Sci Div, 2-1-12 Kannondai, Tsukuba, Ibaraki 3058642, Japan
[4] Miyazaki Univ, Grad Sch Agr, 1-1 Gakuen Kibanadai Nishi, Miyazaki 8892192, Japan