%0 Journal Article %T Physical influences on seafarers are different during their voyage episodes of port stay, river passage and sea passage: A maritime field study %A Oldenburg, Marcus %A Felten, Christian %A Hedtmann, Jörg %A Jensen, Hans-Joachim %J PLoS ONE %V 15 %N 4 %D 2020-04-08 %I Public Library of Science %~ DeepDyve