<qa>  What is the risk of a breach of confidentiality?Comprehension of the Information Provided The investigator will explain the purpose of the research and the nature and duration of the procedures to the subject. The investigator will then explain the risk of a breach of confidentiality, the possible societal benefits associated with the study, and the right of subjects to withdraw consent at any time without penalty. The investigator will ask the subject to confirm that they fully understand all of these issues, and subjects will be asked if they have any questions about the research. Before data collection can occur, the subjects questions concerning the study must be answered to his or her satisfaction. 