Memberships

 
Memberships 
2009- pres. European Chiropractic Union, chair, clinical epidemiology research group
2008- pres. Review author, Cochrane Collaboration Back Review Group
2007- pres. European Academy of Chiropractic in Research [FEAC(Research)]
1993- pres. Netherlands Chiropractic Association
1993- pres. European Chiropractic Union

Last update December 2011.