Disposable e cigarettes and their nicotine delivery, usage pattern, and subjective effects in occasionally smoking adults Scientific Reports Supplementary Appendix Appendix 1 Resources included in short term base case analyses Appendix 2 Short term analyses: sources, f Ou @on Do JUUL and e cigarette flavours change risk perceptions of adolescents? Evidence from a national survey Tobacco Control E cigarette use now higher than cigarette use among teens National Poll on Children's Health