(a) those who work together on the research project throughout its duration or for a large part of it, or who make frequent or substantial contribution; (b) those whose names or posts appear in the original research proposal ~9; (c) those responsible for one or more of the main elements of the research (e.g. the experimental de- sign, construction of research equipment, execution of the experiment, analysis and interpretation of the data 20 writing up the results in a paper).
Some core definitions:
- Those who work together through the duration of a project
- Those whose names appear on the original proposals
- Those responsible for one or more of the "main elements of the research (e.g. the experimental design, construction of research equipment, execution of the experiment, analysis and interpretation of the data, writing up of the results in a paper)."