This study was completed through the guidance on ethical conduct of research, obtained from the author's University, from the Faculty Ethics Advisor and from the Office of Research. This study qualified for Level 1 (Low risk) clearance, as there were no anticipated risks beyond everyday living for the research participants. Appropriate ethical clearance forms were approved by the University Human Research Ethics Committee (Approval Number 0700000058). All participants gave informed consent. The research was conducted in accordance with the "National Statement on Ethical Conduct in Research involving Humans" (National Health and Medical Research Council [NHMRC], 1999) principles of integrity, respect for persons (and groups), beneficence, and justice.