PeerJ Author 270 Points Contributions by role Author 270 Contributions by subject area Psychiatry and Psychology Public Health Denis Šefara PeerJ Author Summary Psychiatry & Psychology Public Health Past or current institution affiliations University of Hradec Králové PeerJ Contributions Articles 2 September 1, 2020 The effect of music on the perception of outdoor urban environment Marek Franěk, Lukáš Režný, Denis Šefara https://doi.org/10.7717/peerj.9770 PubMed 32953264 October 1, 2019 Effect of birdsongs and traffic noise on pedestrian walking speed during different seasons Marek Franěk, Lukáš Režný, Denis Šefara, Jiří Cabal https://doi.org/10.7717/peerj.7711 PubMed 31592148