Table S1.
Full list of trial sites and IRB approval dates
| Trial site number | Trial site and address | Principal investigator | IRB approval date, year/month/day |
|---|---|---|---|
| 1 | Hokkaido University Hospital, Kita 14, Nishi 5, Kita, Sapporo, Hokkaido 060-8648 | Saori Nishio, Sekiya Shibazaki | 2010/11/16 |
| 2 | Teikyo University Hospital, 2-11-1 Kaga, Itabashi, Tokyo 173-8605 | Shigeo Horie, Satoru Muto | 2010/11/16 |
| 3 | Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo, Tokyo 113-8603 | Yasuhiko Iino, Shuichi Tsuruoka | 2010/10/28 |
| 4 | Kyorin University Hospital, 6-20-2 Shinkawa, Mitaka, Tokyo 181-8611 | Kikuo Nutahara | 2010/12/8 |
| 5 | Kitasato University Hospital, 1-15-1 Kitazato, Minami, Sagamihara, Kanagawa 252-0375 | Koju Kamata | 2010/11/17 |
| 6 | Kitasato University Hospital, 1-15-1 Kitazato, Minami, Sagamihara, Kanagawa 252-0375 | Kazunari Yoshida | 2010/11/17 |
| 7 | Niigata University Medical and Dental Hospital, 1-754, Asahimachidori, Chuo, Niigata, Niigata 951-8520 | Ichiei Narita | 2010/10/26 |
| 8 | Osaka University Hospital, 2-15 Yamadaoka, Suita, Osaka 565-0871 | Yoshitaka Isaka | 2010/12/13 |
| 9 | Tohoku University Hospital, 1-1, Seiryo-cho, Aoba-ku, Sendai, Miyagi 980-8574 | Sadayoshi Ito | 2010/12/6 |
| 10 | Jichi Medical School Hospital, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498 | Eiji Kusano, Shigeaki Muto | 2011/2/25 |
| 11 | Saitama Medical Center, 1981, Kamoda, Kawagoe, Saitama 350-8550 | Hajime Hasegawa | 2011/2/17 |
| 12 | Chiba University Hospital, 1-8-1, Inohana, Chuo, Chiba, Chiba 260-8677 | Naoki Nihei | 2010/11/15 |
| 13 | Toranomon Hospital, 2-2-2 Toranomon, Minato, Tokyo 105-8470 | Kenmei Takaichi | 2011/2/25 |
| 14 | The Jikei University Hospital, 3-19-18 Nishishinbashi, Minato, Tokyo | Tatsuo Hosoya, Keitaro Yokoyama | 2011/9/27 |
| 15 | Tokai University Hospital, 143 Shimokasuya, Isehara, Kanagawa 259-1193 | Masayuki Endoh | 2010/12/22 |
| 16 | Toranomon Hospital Kajigaya, 1-3-1 Kajigaya, Takatsu, Kawasaki, Kanagawa 213-8587 | Yoshifumi Ubara | 2011/1/11 |
| 17 | Ohno Memorial Hospital, 1-26-10 Minamihorie, Nishi, Osaka, Osaka 550-0015 | Mikio Okamura | 2011/1/27 |
| 18 | Hiroshima University Hospital, 1-2-3 Kasumi, Minami, Hiroshima, Hiroshima 734-8551 | Akio Matsubara | 2011/5/9 |
| 19 | Fukushima Medical University, Hospital, 1 Hikarigaoka, Fukushima, Fukushima 960-1295 | Koichi Asahi | 2011/3/2 |
| 20 | National Hospital Organization, Chiba-East Hospital, 673 Nitona, Chuo, Chiba, Chiba 260-8712 | Koichi Kamura | 2011/4/26 |
| 21 | Shuwa General Hospital, 1200, Yaharashinden, Kasukabe Saitama 344-0035 | Michio Kuwahara | 2011/4/11 |
| 22 | Tokyo Women’s Medical, University Hospital, 8-1 Kawada, Shinjuku, Tokyo 162-8666 | Kosaku Nitta | 20114/27 |
| 23 | Osaka City University Hospital, 1-5-7 Asahimachi, Abeno, Osaka, Osaka 545-8586 | Eiji Ishimura | 2011/3/23 |
| 24 | Kyoto University Hospital, 54, Kawara, Shogoin, Sakyo, Kyoto, Kyoto 606-8507 | Atsushi Fukatsu, Noriyuki Iehara, Takeshi Matsubara | 2011/9/12 |
| 25 | Kyushu University Hospital, 3-1-1, Maidashi, Higashi, Fukuoka, Fukuoka 812-8582 | Kazuhiko Tsuruya | 2011/2/24 |
| 26 | Hamamatsu University School of Medicine, University Hospital, 1-20-1 Handayama, | Yoshihide Fujigaki, Hideo | 2011/4/14 |
| Higashi, Hamamatsu, Shizuoka 431-3192 | Yasuda | ||
| 27 | National Hospital Organization, Kyoto Medical Center, 1-1, Mukaihata, Fukakusa, Fushimi, Kyoto 612-8555 | Koichi Seta | 2011/5/25 |
| 28 | Fujita Health University Hospital, 1-98 Dengakugakubo, Kutsukake, Toyoake, Aichi 470-1192 | Yukio Yuzawa | 2011/4/27 |
| 29 | Kumamoto University Hospital, 1-1-1 Honjyo, Chuo, Kumamoto, Kumamoto 860-8556 | Taku Miyoshi | 2011/5/23 |
| 30 | Tokyo Medical and Dental University Hospital Faculty of Medicine, 1-5-45 Yushima, Bunkyo, Tokyo 113-8519 | Sei Sasaki, Shinichi Uchida | 2011/7/25 |
Abbreviation: IRB, institutional review board.