AUTHOR=Chételat Sarah , Gerber Eve-Yaël , El Khadlaoui Sarah , Behrendt Frank , Stark Michaela , Schädler Stefan , Maywald Maximilian , Fabritius Lena , Gerb Johannes , Grabova Denis , Trost Wiebke , Zwergal Andreas , Strobl Ralf , Parmar Katrin , Gerth Hans Ulrich , Bonati Leo H. , Becker-Bense Sandra , Schuster-Amft Corina TITLE=Convergent construct validity and test-retest reliability of both German versions of the original and the revised Niigata PPPD Questionnaire: NPQ and NPQ-R JOURNAL=Frontiers in Neurology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1517566 DOI=10.3389/fneur.2025.1517566 ISSN=1664-2295