TY - JOUR AU - Thiel, A; Thedinga, H K; Thomas, S L TI - Have adults lost their sense of play? An observational study of the social dynamics of physical (in)activity in German and Hawaiian leisure settings JO - BMC Public Health VL - 16 PY - 2016 DO - 10.1186/s12889-016-3392-3 L3 - PubMed-ID: 27484652 SP - 689 N1 - et al. ER -