The printing format of Electronic Proceedings is one page (title/author/office and abstract) + 5-9 pages of 2 PPT slides/page. The total page limit is 6-10. The deadline of submission is 31 July 2020. All session proceedings sent to the WLF5 secretariat will be compiled as WLF5 electronic proceedings with ISBN number in November 2020. All authors of accepted papers in Electronic Proceedings are invited speakers at WLF5.