Funding for this research was provided by:
University Grant Commission, Sri Lanka (UGC/ICD/RG2011/01/23)
Received: 17 July 2017
Accepted: 24 January 2018
First Online: 31 January 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethical Review Committee of the Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka, before commencing the study. Written informed consent was obtained from all the patients before enrolling them to the study to use their biological data. Permission was granted by the head of the Department of Pathology to use the archival tissue blocks also.
: Not applicable.
: The authors declare that they have no competing interests.
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