Randomization
The random sequence has generated using the Minitab 18® statistical program (version 18, Minitab, LLC, State College, Pennsylvania, USA) by a researcher not involved in the allocation of participants. Block randomization has used without stratification and has implemented by an administrative assistant using sequential numbering, sealed envelopes. Individuals in the argon arm underwent three APC sessions, with an 8-week interval between them. The endoscopic evaluation has performed every 2 months until completing 6 months. In the control group, the arm underwent an initial diagnostic endoscopy followed by clinical consultation every 2 months until the sixth month. All patients were blinded to the intervention they received. The multidisciplinary team (nutritionist, psychologist, and physical educator) and data analysts were also blinded to the allocation of participants.