In the article, some errors occurred, and we would like to correct the errors as written below. We apologize for any inconvenience caused.
1. In the original article, there was an error in the last paragraph of Statement 1 on Page 6; the term ‘dyslexia’ should be corrected as ‘dysphagia’.
2. In line 35 on Page 12, the figure ‘33.1%’ should be changed into ‘3.1%’.
3. The reference No. 129 was incorrectly cited, which should be corrected from ‘Murphy R, Evennett NJ, Clarke MG, Robinson SJ, Humphreys L, Jones B, et al. Sleeve gastrectomy versus Roux-en-Y gastric bypass for type 2 diabetes and morbid obesity: double-blind randomised clinical trial protocol. BMJ Open 2016;6:e011416’ to ‘Kim HI, Han SU, Yang HK, Kim YW, Lee HJ, Ryu KW, et al. Multicenter prospective comparative study of robotic versus laparoscopic gastrectomy for gastric adenocarcinoma. Ann Surg 2016;263(1):103-109’.
4. ‘Diff., <2 cm’, ‘Diff., <3 cm’, and ‘Unidiff., <2cm’ in Fig. 1 should be corrected to ‘Diff., ≤2 cm’, ‘Diff., ≤3 cm’, and ‘Unidiff., ≤2cm’, respectively. The final version of Fig. 1 is provided here.