According to Schessinger the entire incidence was 16/100,000 children under the age of 16 and the new disease rate is 2 per 100,000 children under the age of 16. (Schlesinger, 1986).
According Schessinger whole incidence is 16 / 100,000 children under 16 years of age and the incidence of new disease is 2 / 100,000 children under 16 years old. (Schlesinger, 1986).