Table 2. Prevalence in Switzerland (n = 35).

	Canton Bern	Switzerland
Residents [14]	1.034.977	8.544.527
• <40 years	458.503	3.977.387
• ≥ 40 years	576.474	4.567.140
Patients	15	35
• <40 years	4	19
• ≥ 40 years	11	16
Prevalence	14.5/1.000.0005
• <40 years	8.7/1.000.000
• ≥ 40 years	19.1/1.000.000

Values represent number of residents and patients and prevalence expressed as cases per million residents.