title: Response to 'Increase of nerve growth factor levels in the human herniated intervertebral disc: can annular rupture trigger discogenic back pain?' - authors' reply.
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. yasuaoki35@fc4.so-net.ne.jp.|Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba, 283-8686, Japan. yasuaoki35@fc4.so-net.ne.jp.
authors.forename: Yasuchika
authors.initials: Y
authors.lastname: Aoki
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. a-nakaji@sf7.so-net.ne.jp.
authors.forename: Arata
authors.initials: A
authors.lastname: Nakajima
authors.affiliation: Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-city, Chiba, 260-8677, Japan. sohtori@faculty.chiba-u.jp.
authors.forename: Seiji
authors.initials: S
authors.lastname: Ohtori
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. hirochann@syd.odn.ne.jp.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Takahashi
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. fusako.watanabe@med.toho-u.ac.jp.
authors.forename: Fusako
authors.initials: F
authors.lastname: Watanabe
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. masato0609@aol.com.
authors.forename: Masato
authors.initials: M
authors.lastname: Sonobe
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. terajima-fh@d01.itscom.net.
authors.forename: Fumiaki
authors.initials: F
authors.lastname: Terajima
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. masahi1214@hotmail.com.
authors.forename: Masahiko
authors.initials: M
authors.lastname: Saito
authors.affiliation: Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-city, Chiba, 260-8677, Japan. 19501114@faculty.chiba-u.jp.
authors.forename: Kazuhisa
authors.initials: K
authors.lastname: Takahashi
authors.affiliation: Department of Orthopaedic Surgery, Teikyo University Mizonokuchi Hospital, 3-8-3 Mizonokuchi, Takatsu-ku, Kawasaki, 213-8507, Japan. TomoTomoT2001@aol.com.
authors.forename: Tomoaki
authors.initials: T
authors.lastname: Toyone
authors.affiliation: Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba, 283-8686, Japan. atsuyan1@pa2.so-net.ne.jp.
authors.forename: Atsuya
authors.initials: A
authors.lastname: Watanabe
authors.affiliation: Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba, 283-8686, Japan. oiranakag7620@yahoo.co.jp.
authors.forename: Takayuki
authors.initials: T
authors.lastname: Nakajima
authors.affiliation: Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba, 283-8686, Japan. surfer-tkz@hotmail.co.jp.
authors.forename: Makoto
authors.initials: M
authors.lastname: Takazawa
authors.affiliation: Department of Orthopaedic Surgery, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura, Chiba, 285-8741, Japan. Konakag@aol.com.
authors.forename: Koichi
authors.initials: K
authors.lastname: Nakagawa
mesh_terms: D006801:Humans; D007405:Intervertebral Disc Displacement / Q000378:metabolism*; D017116:Low Back Pain / Q000378:metabolism*; D008159:Lumbar Vertebrae; D020932:Nerve Growth Factor / Q000378:metabolism*
chemical_list: D020932:Nerve Growth Factor