Special thanks to the members of the Study Subcommittee to Assess the Efficacy of Kampo Medicines, Committee on Kampo Formulations for Prescription, Japan Kampo Medicines Manufacturers Association, Fumiko Niino, Shin-ichi Suzuki, Ichiro Utaka, Reiko Saijo, Miho Shibahara, Sachie Hirata, Keiji Mori, Madoka Kurahashi, Masaaki Oshiro, Tsuneo Kawashima, and Masayuki Takezaki for their cooperation in gathering references and the members of the Japan Medical Abstract Society for showing how to gather references and select randomized controlled trials.
