Review the following description of a study from a research consentform. What additional information would be needed in the consent form?

Review the following description of a study from a research consent form. What additional information would be needed in the consent form?

This study will examine the relationships among knowledge about blood pressure, clinic attendance, and perceived support from healthcare professionals. Participants will answer a survey at each clinic visit and the researcher will interview each participant two times. The study is expected to last 1 year and includes 100 participants. You can stop participating in the study at any time without any penalty.

please provide a reference so i can review,