**3. Principles of ethics**

The important three core ethical principles are discussed in all documents. These are as below (**Figure 1**):


c.**Justice**: It is an obligation to provide all participants with whatever they are deserve. Basically, we have an obligation to treat all people equally, fairly, and impartially. All individuals should have an opportunity to participate in research unless contraindicated and we must not impose unfair burdens. All doubts of research participants should be cleared by concerned staff. We should make available all the safety concerns as demanded by research participants.
