Received: 21 July 2017
Accepted: 7 February 2018
First Online: 14 February 2018
Ethics approval and consent to participate
: The study was first approved by the ethical review committee of the department of Biochemistry and then approved by Institutional Review Board (IRB) of College of Health Science, Addis Ababa University. Ethical approval was also obtained from St. Paul’s Hospital Millennium Medical College to collect archived FFPE tissue samples from enrolled patients. The study is also approved by the National Research Ethics Review Committee at the Ethiopian ministry of Science and Technology. Written and informed consent was obtained from every patient.
: Not Applicable.
: The authors declare that they have no competing interests.
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