Ethics statements
This study was approved by the expedited review process of the Taipei Medical University-Joint Institutional Review Board (Approval Number: N202009022, Approval Date: 25 September 2020). Informed Consent was waived because of the retrospective nature of the study. All procedures carried out are in accordance with principles in Declaration of Helsinki. This article does not disclose any personally identifiable information of any of the participant. Hence, consent for publication is not applicable.