IUHW Narita Hospital, Narita, Chiba, Japan
Medical Corporation Heishinkai OCROM Clinic, Suita, Osaka, Japan
Medical Corporation Heishinkai ToCROM Clinic, Shinjuku-ku, Tokyo, Japan
Medical Corporation Tsurukamekai Shinjuku Tsurukame C linic, Shibuya-ku, Tokyo, Japan
Sekino Clinical Pharmacology Clinic, Toshima-ku, Tokyo, Japan
Medical Corporation Heishinkai ToCROM Clinic, Shinjuku-ku, Tokyo, Japan
Osaka University Hospital, Osaka, Japan
Osaka City University Hospital, Osaka, Japan
Florida Medical Pain Management, Saint Petersburg, Florida, United States
University of California San Diego, San Diego, California, United States
Spine Institute of San Diego, San Diego, California, United States