Recruitment was conducted on campus via fliers and
general invitations in lectures and tutorials. Interestedstudents were asked to register with the study team by phone
or email and were encouraged to tell eligible friends about
the study (snowball recruitment).
All participants received
written information explaining the study protocol, signed
consent forms and were reimbursed for their time with a
voucher from a local sporting goods retail store. Ethics
approval for this research was granted by the Human
Research Ethics Committee of the University of Sydney.