“…Eleven studies described ENDS policies enacted at the local, 775,776 state, 776–780 and country level 781–784 ; others addressed proposed city policies, 785 university policies, 786 public and stakeholder opinion of ENDS policies, 334,340,343,351,354,357,374,392,398,399,443,452,469,484,485,717,787–794 the unmet research needs of state and community tobacco control practitioners regarding ENDS, 795 implementation and enforcement of ENDS policies in hospitals, 796 and policies related to vaping on American transit systems. 797 …”