Article History
Received: 8 April 2019
Accepted: 15 June 2019
First Online: 22 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This study involves a retrospective review of archived paraffin blocks and an institutional review board waiver was available for this study.All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: This was a technical review of reporting practices. Anonymized data was used for the study. Clinical trial was not involved hence informed consent was not taken.