| We wish to express our sincere thanks to each of them. Their contribution support substantially the publication of the Journal of Antibiotics. |
| ASAHI KASEI PHARMA CORPORATION | Japan | MEIJI SEIKA KAISHA, LTD. | Japan |
| Astellas Pharma Inc. | Japan | Microbial Chemistry Research Foundation | Japan |
| BANYU PHARMACEUTICAL CO., LTD. | Japan | NIPPON KAYAKU CO., LTD. | Japan |
| Bristol-Myers K.K. | Japan | SHIONOGI & CO., LTD. | Japan |
| DAIICHI SANKYO CO., LTD. | Japan | TAISHO PHARMACEUTICAL CO., LTD. | Japan |
| Dainippon Sumitomo Pharma Co., Ltd. | Japan | Toyama Chemical Co., Ltd. | Japan |
| Eisai Co., Ltd. | Japan | Traders Protein | U.S.A. |
| KAKEN PHARMACEUTICAL CO., LTD. | Japan | Wyeth K.K. | Japan |
| Kyorin Pharmaceutical Co., Ltd. | Japan |
