Article History
Received: 6 March 2018
Accepted: 23 May 2018
First Online: 30 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Tayside Tissue Bank (TR000325), was conducted according to the guidelines outlined by the Research Governance Framework in Tayside, Scotland and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent was not required.