[1] Natl Ctr Global Hlth & Med, Ctr Clin Sci, Dept Epidemiol & Prevent, Tokyo, Japan
[2] Teikyo Univ, Grad Sch Publ Hlth, Tokyo, Japan
[3] Mitsui Chem Inc, Tokyo, Japan
[4] Mitsubishi Fuso Truck & Bus Corp, Kawasaki, Kanagawa, Japan
[5] Furukawa Elect Corp Ltd, Tokyo, Japan
[6] Nippon Steel Corp Ltd, Chiba, Japan
[7] Hitachi Ltd, Ibaraki, Japan
[8] Mizue Med Clin, Keihin Occupat Hlth Ctr, Yokohama, Kanagawa, Japan
[9] Seijinkai Shizunai Hosp, Shinhidaka, Hokkaido, Japan
[10] Yamaha Corp, Shizuoka, Japan
[11] Azbil Corp, Tokyo, Japan
[12] Healthplant, Tokyo, Japan
[13] All Japan Labour Welf Fdn, Tokyo, Japan
[14] Univ Tsukuba, Dept Global Publ Hlth, Ibaraki, Japan
[15] Natl Inst Publ Hlth, Saitama, Japan
[16] Natl Ctr Global Hlth & Med, Tokyo, Japan
[17] Fukuoka Womens Univ, Fukuoka, Fukuoka, Japan
[18] Natl Inst Hlth & Nutr, Tokyo, Japan
[19] Teikyo Univ, Tokyo, Japan
[20] Occupat Hlth Support Co, Tokyo, Japan
[21] Nippon Steel & Sumitomo Met Corp Kimitsu Works, Chiba, Japan
[22] KUBOTA Corp, Ibaraki, Japan
[23] Fuji Elect Co Ltd, Kawasaki, Kanagawa, Japan
[24] Univ Occupat & Environm Hlth, Fukuoka, Fukuoka, Japan
[25] ADVANTAGE Risk Management Co Ltd, Tokyo, Japan
[26] Univ Tsukuba, Ibaraki, Japan
[27] Tokyo Gas Co Ltd, Tokyo, Japan
[28] Healc Corp, Tokyo, Japan
[29] Univ Tokyo, Tokyo, Japan
[30] Himawari Ind Phys & Occupat Hlth Consultant Off, Saitama, Japan
[31] Hlth Design Inc, Tokyo, Japan
[32] Mizuho Hlth Insurance Soc, Tokyo, Japan
[33] Juntendo Univ, Tokyo, Japan
[34] New Japan Radio Co Ltd, Tokyo, Japan
[35] Cent Japan Railway Co, Nagoya, Aichi, Japan
[36] AEON Co Ltd, Chiba, Japan
[37] Mitsubishi Hitachi Power Syst Ltd, Yokohama, Kanagawa, Japan
[38] HOYA Corp, Tokyo, Japan