EC or Board Meeting, Recent News The 31st AONSA EC meeting was held on December 3, 2023 in Dongguan, China, during the AOCNS2023. December 15, 2023 by Jae-Ho Chung - Comments Disabled Date: December 3, 2023Venue: Royal Garden Hotel, Dongguan, China in hybrid format, during the AOCNS 2023. Click to open the Executive Committee Meeting page.