Ballance, Simon
Knutsen, Svein Halvor
Fosvold, Øivind Winther
Fernandez, Aida Sainz
Monro, John
Article History
Received: 26 April 2018
Accepted: 6 September 2018
First Online: 14 September 2018
Compliance with ethical standards
:
: All human studies have been approved by the appropriate ethics committee and, therefore, have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All persons participating in the clinical study gave informed consent prior to their inclusion.
: The authors declare that they have no conflict of interest.