Correction: Normative data for certain vocal fold biomarkers among young normophonic adults using ultrasonography. - Rai S; Ramdas D; Jacob NL; Bajaj G; Balasubramanium RK; Bhat JS (European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2023)