What happens if I change my mind and no longer wish to participate?

Your participation in this study is voluntary and has no relationship to your continuing medical care. You may withdraw from the study at any time by contacting the research team at leaf@unsw.edu.au or 1800 450 385. If you choose to withdraw, the researchers will discuss with you whether you wish your information and/or blood and tissue samples to be destroyed or whether we may remove all personal information from them and continue to use them anonymously.