Footnotes

• Correction notice This article has been corrected since it was published Online First. The provenance and peer review statement has been amended.

• Contributors S-SC, KS, KT and AB: Performed the experiments and analysed the data. S-SC, J-YJ, KT, AB and C-CT: Examined the case and made the final diagnosis. S-YL, S-SC and C-CT: Wrote the manuscript. All authors approved the manuscript.

• Competing interests None.

• Ethics approval Research Ethics Review Committee of the Far Eastern Memorial Hospital, Taiwan.

• Provenance and peer review Not commissioned; externally peer reviewed.