Castien R, Blankenstein A, van der Windt D, Dekker J. Minimal clinically important change on the HIT-6 questionnaire. Cephalalgia. 2012;32(9):710–714.

Linda Pronk

Veronique Huisman

Tim Jongejans

Jasper Flick

dr. René Castien

Laura de Kam

Lotte de fockert

Andreas Amons