Every presenter MUST create a video between 15 min to 20 min for his/her presentation. The format and size of the video do NOT matter. Every presenter MUST send the link of downloading the video for us (via email of the symposium) until Friday, May 27, 2022 (You can upload your video to any cloud such as Dropbox, etc., and then send the link). The presenter MUST be available and online on the symposium virtual system (Adobe Connect) during the video play at his/her presentation time (see the program’s schedule), especially for Q&A. The link of the presentation via the online system will be announced in technical program of the symposium soon.