- Live Session: Blue Session (Open / Joint / ZOOM) – session organized by one or more groups – open to all participants
- Plenary session / Educational session: Purple session – session organized by SIOP Europe – open to all participants
- Operational meeting: Yellow session – operational meeting of a specific working group – access restricted to group members or invited participants. For more information, please contact: annualmeeting@siope.eu
- Sponsor session – symposia prepared and supported by Industry Partner