Florida Birth-Related Neurological Injury Compensation Plan; Prohibiting the Florida Birth-Related Neurological Injury Compensation Association from holding itself out as such; requiring the plan to provide specified additional annual payments to parents or legal guardians of children covered under the plan; requiring that awards include specified payments for legal costs associated with establishing a guardianship for a child under the plan who is 18 years of age or older; requiring the plan to make certain retroactive payments to eligible parents or guardians, etc.