Occurs in adults, with peak incidence from 20-40 years of age.

The disorder may occur in children or adults, and is rare.

Severe reactions are most likely to occur in children and small adults.

These tumors most commonly occur in adults with the mean age being 31.5.

The infection occurs most often in children, teens, and young adults.

These side effects are more likely to occur in older adults and people with other serious health problems.

It usually occurs in children and young adults but can affect any person.

It occurs most often in adults between the ages of 20 and 40.

Primary liver cancer can occur in both adults and children.

It usually occurs in young adults, but children can be affected too.