I don't have papers, but I warmly recommend my paper of lifestyle modification parallels to sleeve success which speaks exactly about this subject

There is not enough evidence to support psychopathology as a contraindication

for bariatric surgery, however, as psychopathology as well as other psychological

factors can impact surgery’s outcome, presurgical psychological evaluation can identify behavioral and psychological factors that could affect patient’s safety and efficacy of surgery

http://www.ijpsy.com/volumen12/num3/338/psychosocial-profile-of-bariatric-surgery-EN.pdf

http://www.eurjhm.com/index.php/eurjhm/article/view/360

https://www.omicsonline.org/open-access/current-evidence-for-physical-activity-in-the-bariatric-surgery-patient-for-weight-loss-success-2165-7904-1000274.php?aid=61279