1. Demographical characteristics

1.1: Cumulative number of participants by type of care provider

1.2: Cumulative number of participants, by center

1.3: Recruitment by center and year

1.4: Participants under follow-up (i.e. seen in the respective year), by center (situation 06/2015)

1.5: Cumulative number of participants by sex and transmission category, (situation 06/2015)

1.6: Patients recruited in 2015, by age, sex, ethnicity, transmision category (situation 06/2015)

1.7: Participants under follow-up by age, sex, ethnicity, transmission category (situation 06/2015)