| WHO | World Health Organization |
| IFSO | International Federation for the Surgery of Obesity and Metabolic Disorders |
| SCMiB | Metabolic and Bariatric Chapter of Polish Surgeons’ Association |
| WHO | World Health Organization |
| IFSO | International Federation for the Surgery of Obesity and Metabolic Disorders |
| SCMiB | Metabolic and Bariatric Chapter of Polish Surgeons’ Association |