CISS endeavours to ensure the high quality of its publications. It adheres to high standards of ethical behaviour and expects them to be adhered by all parties involved in the publication. This includes the author, journal editor, peer reviewers and publisher. CISS follows the guidelines of the Committee on Publication Ethics (COPE) for the preservation of scientific integrity. The manuscript should contain a statement about approval by an ethics committee or review board. A statement about ethics approval should be made at the beginning of the Methods section.