Tong, Kin Seng
Williams, Daniel C.
Seifman, Marc A.
Hunter-Smith, David J.
Rozen, Warren Matthew http://orcid.org/0000-0002-4092-182X
Article History
Received: 30 August 2018
Accepted: 14 January 2019
First Online: 7 February 2019
Compliance with ethical standards
:
: KS Tong, DC Williams, MA Seifman, DJ Hunter-Smith and WM Rozen 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 institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.