Hydrocephalus 2023 is an in-person event with limited online participation for invited speakers. Presenters are requested to attend the Meeting in person, with exceptions upon request. Attendees are also expected to attend the meeting in person. If you are not able to attend the Meeting in Hamburg but still want to participate, please contact the Meeting secretariat at welcome@hydrocephalus-meeting.com with a relevant request and the Meeting organization team will be happy to provide assistance.