Participate in research

Want to participate?

Register that you’re interested and you will be contacted when we start recruiting from your area.

NB: opens in a new window. The registration form is only available in Dutch.

Important: By submitting the form below, you indicate that you are interested in participating in the NMCB and you agree that NMCB will contact you for further information about possible participation. However, you are not obliged to participate. Your email address will be used solely to notify you when recruitment begins and to provide additional details on how to become involved in the study.

  • residents of the Netherlands who are fluent in Dutch
  • able to travel to the Amsterdam UMC
  • between 18-65 years old
  • not pregnant or breastfeeding in the past 12 months
  • diagnosed with ME/CFS, Long COVID, Q-fever, Lyme disease, or Multiple sclerosis
  • no other serious medical conditions

Step 0: Register

Step 1: Screening survey

Step 2: Confirm with your GP

Step 3: Symptoms survey

Step 4: Online meeting

Step 5: In-person visit

Step 6: Surveys

Currently, we only recruit participants who live within 50 km of the Amsterdam UMC and are able to visit in person. Other areas of the Netherlands and homebound participants will follow at a later date.