Three more cases were diagnosed at the hospital the next day.
Around 60% of cases were diagnosed in the developed world.
More than a million new cases are diagnosed in Americans each year, the study said.
Most cases are diagnosed before the patient is 10 years of age.
In addition, some 1.2 million new cases will be diagnosed this year.
More than 1000 cases were diagnosed in the last half of that year.
Some cases are diagnosed later, into childhood, but usually before age 10.
More than 11 million have signs of the disease, and about 200,000 new cases are diagnosed each year.
Six more cases were diagnosed last Monday; the total is now 18.
Additional cases were diagnosed in 1989, 1990, 1991, and 1998.
