In order to avoid disputes and other problems with regard to authorship issues, it is wise to address the issue of authorship when the research is in its planning stages. You should also continue to discuss this issue as the project evolves, being sure to keep a written record of your decisions with regard to authorship. It is better to prevent problems from arising in the first place than to try and solve them afterwards. Further details are available here .
Open Access to research results means that this material is digital, online, free of charge, and free of most copyright and licensing restrictions. See the University Library site for further details of Open Access.