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Authors
Sugiyama, Yohei
Watanabe, Taijiro
Tajika, Makiko
Matsuhashi, Tetsuro
Shimura, Masaru
Fushimi, Takuya
Ichimoto, Keiko
Matsunaga, Ayako https://orcid.org/0000-0003-3316-8400
Ebihara, Tomohiro
Tsuruoka, Tomoko
Akiyama, Tomoyuki
Murayama, Kei https://orcid.org/0000-0002-3923-8636
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Article History
Received: 14 July 2021
Accepted: 6 February 2022
First Online: 23 February 2022
Declarations
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: This is an observational retrospective patient report that did not involve any research-based patient intervention. All diagnostic procedures and treatment protocols were based on established protocols intended to diagnose and treat the patients. No aspect of the case series is in contradiction with the Helsinki Declaration of 1975, as revised in 2000. The assay of pyridoxal phosphate and pyridoxal was approved by the Research Ethics Board at Okayama University Hospital (Approval No. 1603-012). Written informed consent for publication of the data and for performing measurements of PLP and PL were obtained from the patients or patient's parents (in the cases of patients below 18 years of age).
: Written informed consent for publication of the data, measurements of PLP and PL, and the video record of patient 2 was obtained from the patient’s parents.
: The authors declare no competing interests.
