Feel the pressure: a haptic-feedback device for wearable musical instrument interaction. - Jean-Baptiste Biernacki; Po-wen Kao; Sai Sourabh Tiruvaipati; Philipp M. Scholl (UbiComp/ISWC Adjunct, 2019)

Breath-Triggered Haptic and Acoustic Guides to Support Effortless Calm Breathing. - Sebastian Zepf; Po-wen Kao; Jan-Peter Krämer; Philipp Scholl 002 (EMBC, 2021)