- First, the authors should log in the and sign up
- All abstracts MUST be submitted via using the online abstract submission system
- The author submitting the abstract MUST provide one presenting author and one corresponding author. The presenting author of an accepted abstract (oral and e-Poster) must register prior to pre-registration deadline September 14, 2021 to have his/her abstract included in the Final Program
- All abstracts MUST be submitted in ENGLISH
- All abstracts MUST be formatted in Microsoft Office Word or Microsoft Office Word for Mac or other compatible software

- The authors are responsible for checking mistakes in literature or in scientific facts. Notification of acceptance will be sent to the corresponding/presenting author separate with the instructions on the preparation of Oral/Poster presentation

- The AOCC2021 scientific committee will accept the abstract which submitted (published) to other congress but will be considered if they have been duplicated in any way. 

- The body limited with 300 words
- Abstract title is limited to 20 words (Capitalize first letter of the title)
- Acceptable structure of an abstract must consist of four components: Background/Aim, Methods, Results and Conclusion 

- TABLE/GRAPHS/IMAGES MUST be embedded in the file of the abstract as one document.
- The total number of TABLE/GRAPHS/IMAGES should not exceed THREE
- The maximum file size of each graph/image is 500KB and JPG format is recommended

Wanda Realm Guangzhou Huadu
No.73 Fenghuang North Road Guangzhou China
Hosted by: Guangdong Medical Association

AOCC2021 Secretariat

 The First affiliated Hospital of Sun Yat-sen University
 No.58 Zhongshan II road, Guangzhou, 510080, China
 +86 135 6019 5730