There is no difference on the results with the use or not of the Isofix anchors. Remark from François RENAUDIN: this can also depend of the chosen products.

Contribution requested by Philippe LESIRE
In order to know the benefit or not of the Isofix on booster. Philippe needs some data and contribution (from CASPER, TRL, JAMA, TUB, IFFSTAR, or CRS manufacturer ) to prepare another presentation for June meeting.