Unfortunately, the original version of this article [1] contained an error. The correct paragraph can be found below:
The calculation of number of patients was not correct. It was wrote the non-inferiority margin as 0.1 mm. But it was 0.19 mm in an original document. Non-inferiority margin in previous coronary intervention studies has been set between 0.1 ~ 0.2 mm. The 0.19 mm is not irrelevant in view of the current trial standard.
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