Well,* you'll have to sign this first.
Scan down to 2.d for the scary legal bit : "I accept and assume all known and unknown risks of injury, loss, or damage resulting from my decision to participate in the Introspection Rundown and specifically absolve all persons and entities from all liabilities of any kind, without limitation, associated with my participation or their participation in my Introspection Rundown."
Before you sign up for that, however, you might want to look at the information on this site about Lisa Mcpherson. In the 17 days before she died, Lisa was in the care of Scientology t the Ft. Harrison Hotel in Clearwater. They claimed she wasn't in bad shape until the last day. The photos make that seem fairly unlikely.
*according to the rumours rushing round the web at least...