R.E. Brolin, Bariatric surgery and long-term control of morbid obesity, Jama 288(22) (2002) 2793–2796.
 S. Shoar, T. Nguyen, M.A. Ona, M. Reddy, S. Anand, M.J. Alkuwari, A.A. Saber, Roux-en-Y gastric bypass reversal: a systematic review, Surgery for Obesity and Related Diseases 12(7) (2016) 1366–1372.
 S.N. Karamanakos, K. Vagenas, F. Kalfarentzos, T.K. Alexandrides, Weight loss, appetite suppression, and changes in fasting and postprandial ghrelin and peptide-YY levels after Roux-en-Y gastric bypass and sleeve gastrectomy: a prospective, double blind study, Annals of surgery 247(3) (2008) 401–407.
 R.M. Tacchino, Bowel length: measurement, predictors, and impact on bariatric and metabolic surgery, Surgery for Obesity and Related Diseases 11(2) (2015) 328–334.
 D.E. Hogling, M. Rydén, J. Bäckdahl, A. Thorell, P. Arner, D.P. Andersson, Body fat mass and distribution as predictors of metabolic outcome and weight loss after Roux-en-Y gastric bypass, Surgery for Obesity and Related Diseases 14(7) (2018) 936–942.
 R. Lutfi, A. Torquati, N. Sekhar, W. Richards, Predictors of success after laparoscopic gastric bypass: a multivariate analysis of socioeconomic factors, Surgical Endoscopy and Other Interventional Techniques 20(6) (2006) 864–867.
 P. Major, M. Wysocki, M. Janik, T. Stefura, M. Walędziak, M. Pędziwiatr, P. Kowalewski, K. Paśnik, A. Budzyński, Impact of age on postoperative outcomes in bariatric surgery, Acta Chirurgica Belgica 118(5) (2018) 307–314.
 V. Vázquez-Velázquez, A.R. González, S.O. Ortega, M.R. Flores, M.F. Herrera, J.P. Pantoja, M. Sierra, C.G.-J. Prida, J.E.G. García, Differences in body composition in patients with obesity 1 year after roux-en-Y gastric bypass: Successful vs. unsuccessful weight loss, Obes Surg 28(3) (2018) 864–868.
 I. Akusoba, T.J. Birriel, M. El Chaar, Management of excessive weight loss following laparoscopic Roux-en-Y gastric bypass: clinical algorithm and surgical techniques, Obes Surg 26(1) (2016) 5–11.
 T.d.C.P. Martins, T.C. Duarte, E.R.T. Mosca, C. de Fátima Pinheiro, M.A. Marçola, D.A. De-Souza, Severe protein malnutrition in a morbidly obese patient after bariatric surgery, Nutrition 31(3) (2015) 535–538.
 A. Pucci, W.H. Cheung, J. Jones, S. Manning, H. Kingett, M. Adamo, M. Elkalaawy, A. Jenkinson, N. Finer, J. Doyle, A case of severe anorexia, excessive weight loss and high peptide YY levels after sleeve gastrectomy, Endocrinology, diabetes & metabolism case reports 2015(1) (2015).
 K.-C. Hung, C.-N. Ho, J.-Y. Chen, W.-C. Liu, C.-K. Sun, T.-C. Soong, Association of preoperative hemoglobin with weight loss after bariatric surgery: a retrospective study, Surgery for Obesity and Related Diseases 15(9) (2019) 1595–1603.
 C. Schaaf, J. Gugenheim, Impact of preoperative serum vitamin D level on postoperative complications and excess weight loss after gastric bypass, Obesity surgery 27(8) (2017) 1982–1985.
 S.A. Brethauer, J. Kim, M. el Chaar, P. Papasavas, D. Eisenberg, A. Rogers, N. Ballem, M. Kligman, S. Kothari, Standardized outcomes reporting in metabolic and bariatric surgery, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 11(3) (2015) 489–506.
 T.d.C.P. Martins, T.C. Duarte, E.R.T. Mosca, C.d.F. Pinheiro, M.A. Marçola, D.A. De-Souza, Severe protein malnutrition in a morbidly obese patient after bariatric surgery, Nutrition 31(3) (2015) 535–538.
 L.C. Zurita Mv, M. Tabari, D. Hong, Laparoscopic conversion of laparoscopic Roux-en-Y gastric bypass to laparoscopic sleeve gastrectomy for intractable dumping syndrome and excessive weight loss, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 9(2) (2013) e34-7.
 S. Mohapatra, K. Gangadharan, C.S. Pitchumoni, Malnutrition in obesity before and after bariatric surgery, Disease-a-month : DM 66(2) (2020) 100866.
 C. Kuin, F. den Ouden, H. Brandts, L. Deden, E. Hazebroek, M. van Borren, H. de Boer, Treatment of Severe Protein Malnutrition After Bariatric Surgery, Obes Surg 29(10) (2019) 3095–3102.
 Y.-C. Lee, Y.-H. Lee, P.-N. Chuang, C.-S. Kuo, C.-W. Lu, K.-C. Yang, The utility of visceral fat level measured by bioelectrical impedance analysis in predicting metabolic syndrome, Obesity Research & Clinical Practice 14(6) (2020) 519–523.
 K. Dhana, C.M. Koolhaas, J.D. Schoufour, F. Rivadeneira, A. Hofman, M. Kavousi, O.H. Franco, Association of anthropometric measures with fat and fat-free mass in the elderly: The Rotterdam study, Maturitas 88 (2016) 96–100.
 M.G. Neto, R.C. Moon, L.G. de Quadros, E. Grecco, A.C. Filho, T.F. de Souza, L.A. Mattar, J.A.G. de Sousa, B.K.A. Dayyeh, H. Morais, F. Matz, M.A. Jawad, A.F. Teixeira, Safety and short-term effectiveness of endoscopic sleeve gastroplasty using overstitch: preliminary report from a multicenter study, Surgical endoscopy (2019).
 I. Hoyas, M. Leon-Sanz, Nutritional Challenges in Metabolic Syndrome, J Clin Med 8(9) (2019).
 K.M. Beaudry, M.C. Devries, Nutritional Strategies to Combat Type 2 Diabetes in Aging Adults: The Importance of Protein, Front Nutr 6(138) (2019).
 P.A. Hubert, P. Papasavas, A. Stone, H. Swede, T.B. Huedo-Medina, D. Tishler, V.B. Duffy, Associations between Weight Loss, Food Likes, Dietary Behaviors, and Chemosensory Function in Bariatric Surgery: A Case-Control Analysis in Women, Nutrients 11(4) (2019) 804.
 K. Preiss, D. Clarke, P. O'Brien, X. de la Piedad Garcia, A. Hindle, L. Brennan, Psychosocial Predictors of Change in Depressive Symptoms Following Gastric Banding Surgery, Obes Surg 28(6) (2018) 1578–1586.
 S. Susmallian, I. Nikiforova, S. Azoulai, R. Barnea, Outcomes of bariatric surgery in patients with depression disorders, PloS one 14(8) (2019) e0221576.
 O. Backman, D. Stockeld, F. Rasmussen, E. Naslund, R. Marsk, Alcohol and substance abuse, depression and suicide attempts after Roux-en-Y gastric bypass surgery, The British journal of surgery 103(10) (2016) 1336-42.
 W.L. Ng, A. Peeters, I. Naslund, J. Ottosson, K. Johansson, C. Marcus, J.E. Shaw, G. Bruze, J. Sundstrom, M. Neovius, Change in Use of Sleep Medications After Gastric Bypass Surgery or Intensive Lifestyle Treatment in Adults with Obesity, Obesity (Silver Spring, Md.) 25(8) (2017) 1451–1459.
 J.B. Dixon, Self-harm and suicide after bariatric surgery: time for action, The Lancet Diabetes & Endocrinology 4(3) (2016) 199–200.
 K. Toolabi, M. Sarkardeh, M. Vasigh, M. Golzarand, P. Vezvaei, J. Kooshki, Comparison of Laparoscopic Roux-en-Y Gastric Bypass and Laparoscopic Sleeve Gastrectomy on Weight Loss, Weight Regain, and Remission of Comorbidities: A 5 Years of Follow-up Study, Obes Surg (2019).
 R. Kavanagh, J. Smith, E. Avgenackis, D. Jones, P. Nau, A Comparison of the Effects of Roux-en-Y Gastric Bypass and Sleeve Gastrectomy on Body Mass Composition as Measured by Air Displacement Plethysmography, Obes Surg (2019).
 A. Antoniewicz, P. Kalinowski, K.J. Kotulecka, P. Kocon, R. Paluszkiewicz, P. Remiszewski, K. Zieniewicz, Nutritional Deficiencies in Patients after Roux-en-Y Gastric Bypass and Sleeve Gastrectomy during 12-Month Follow-Up, Obes Surg 29(10) (2019) 3277–3284.
 B. Ahmed, W.C. King, W. Gourash, A. Hinerman, S.H. Belle, A. Pomp, W.J. Pories, A.P. Courcoulas, Proximal Roux-en-Y gastric bypass: Addressing the myth of limb length, Surgery 166(4) (2019) 445–455.
 M. Kermansaravi, M. Pishgahroudsari, A. Kabir, M.R. Abdolhosseini, A. Pazouki, Weight loss after one-anastomosis/mini-gastric bypass - The impact of biliopancreatic limb: A retrospective cohort study, J Res Med Sci 25 (2020) 5–5.
 R. Rutledge, Linear Association of Limb Length and Weight Loss in 3,309 Mini-gastric Bypass Patients. https://www.sages.org/meetings/annual-meeting/abstracts-archive/linear-association-of-limb-length-and-weight-loss-in-3309-mini-gastric-bypass-patients/. April 23, 2017).
 W.-J. Lee, W. Wang, Y.-C. Lee, et al., Laparoscopic mini-gastric bypass: experience with tailored bypass limb according to body weight, obes surg 18 (2008) 294–299.
 J.-C. Chen, C.-Y. Shen, W.-J. Lee, P.-L. Tsai, Y.-C. Lee, Protein deficiency after gastric bypass: The role of common limb length in revision surgery, Surgery for Obesity and Related Diseases 15(3) (2019) 441–446.
 A. Khalaj, M.A. Kalantar Motamedi, P. Mousapour, M. Valizadeh, M. Barzin, Protein-Calorie Malnutrition Requiring Revisional Surgery after One-Anastomosis-Mini-Gastric Bypass (OAGB-MGB): Case Series from the Tehran Obesity Treatment Study (TOTS), Obesity Surgery 29(6) (2019) 1714–1720.
 M. Parikh, M. Gagner, L. Heacock, G. Strain, G. Dakin, A. Pomp, Laparoscopic sleeve gastrectomy: does bougie size affect mean %EWL? Short-term outcomes, Surgery for Obesity and Related Diseases 4(4) (2008) 528–533.
 S. Cottam, D. Cottam, A. Cottam, Sleeve gastrectomy weight loss and the preoperative and postoperative predictors: a systematic review, Obesity surgery 29(4) (2019) 1388–1396.
 K.C. Hung, C.N. Ho, J.Y. Chen, W.C. Liu, C.K. Sun, T.C. Soong, Association of preoperative hemoglobin with weight loss after bariatric surgery: a retrospective study, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 15(9) (2019) 1595–1603.
 H. Reinecke, T. Trey, J. Wellmann, J. Heidrich, M. Fobker, T. Wichter, M. Walter, G. Breithardt, R.M. Schaefer, Haemoglobin-related mortality in patients undergoing percutaneous coronary interventions, European Heart Journal 24(23) (2003) 2142–2150.
 N. Kucuk, Z. Orbak, C. Karakelloglu, F. Akcay, The effect of therapy on plasma ghrelin and leptin levels, and appetite in children with iron deficiency anemia, Journal of pediatric endocrinology & metabolism : JPEM 32(3) (2019) 275–280.
 C. Schaaf, J. Gugenheim, Impact of Preoperative Serum Vitamin D Level on Postoperative Complications and Excess Weight Loss After Gastric Bypass, Obesity surgery 27(8) (2017) 1982–1985.