Reply: To PMID 23996808.

V Primeau, L Coderre, A D Karelis, M Brochu, M-E Lavoie, V Messier, R Sladek, R Rabasa-Lhoret, Characterizing the profile of obese patients who are metabolically healthy International Journal of Obesity. ,vol. 35, pp. 971- 981 ,(2011) , 10.1038/IJO.2010.216

Norbert Stefan, Konstantinos Kantartzis, Hans-Ulrich Häring, Causes and Metabolic Consequences of Fatty Liver Endocrine Reviews. ,vol. 29, pp. 939- 960 ,(2008) , 10.1210/ER.2008-0009

Tae Nyun Kim, Man Sik Park, Sae Jeong Yang, Hye Jin Yoo, Hyun Joo Kang, Wook Song, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Sei Hyun Baik, Dong Seop Choi, Kyung Mook Choi, Body Size Phenotypes and Low Muscle Mass: The Korean Sarcopenic Obesity Study (KSOS) The Journal of Clinical Endocrinology and Metabolism. ,vol. 98, pp. 811- 817 ,(2013) , 10.1210/JC.2012-3292

Norbert Stefan, Konstantinos Kantartzis, Jürgen Machann, Fritz Schick, Claus Thamer, Kilian Rittig, Bernd Balletshofer, Fausto Machicao, Andreas Fritsche, Hans-Ulrich Häring, Identification and Characterization of Metabolically Benign Obesity in Humans Archives of Internal Medicine. ,vol. 168, pp. 1609- 1616 ,(2008) , 10.1001/ARCHINTE.168.15.1609

Ilaria Barchetta, Francesco Angelico, Maria Del Ben, Marco Giorgio Baroni, Paolo Pozzilli, Sergio Morini, Maria Gisella Cavallo, Strong association between non alcoholic fatty liver disease (NAFLD) and low 25(OH) vitamin D levels in an adult population with normal serum liver enzymes BMC Medicine. ,vol. 9, pp. 85- 85 ,(2011) , 10.1186/1741-7015-9-85

Ho Cheol Hong, Soon Young Hwang, Hae Yoon Choi, Hye Jin Yoo, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Sei Hyun Baik, Dong Seop Choi, Kyung Mook Choi, Relationship between sarcopenia and nonalcoholic fatty liver disease: The Korean Sarcopenic Obesity Study Hepatology. ,vol. 59, pp. 1772- 1778 ,(2014) , 10.1002/HEP.26716

Pontus Boström, Jun Wu, Mark P. Jedrychowski, Anisha Korde, Li Ye, James C. Lo, Kyle A. Rasbach, Elisabeth Almer Boström, Jang Hyun Choi, Jonathan Z. Long, Shingo Kajimura, Maria Cristina Zingaretti, Birgitte F. Vind, Hua Tu, Saverio Cinti, Kurt Højlund, Steven P. Gygi, Bruce M. Spiegelman, A PGC1-α-dependent myokine that drives brown-fat-like development of white fat and thermogenesis Nature. ,vol. 481, pp. 463- 468 ,(2012) , 10.1038/NATURE10777

Virginie Messier, Antony D. Karelis, Marie-Ève Robillard, Philippe Bellefeuille, Martin Brochu, Jean-Marc Lavoie, Rémi Rabasa-Lhoret, Metabolically healthy but obese individuals: relationship with hepatic enzymes Metabolism-clinical and Experimental. ,vol. 59, pp. 20- 24 ,(2010) , 10.1016/J.METABOL.2009.06.020

Blake B. Rasmussen, Satoshi Fujita, Robert R. Wolfe, Bettina Mittendorfer, Mona Roy, Vincent L. Rowe, Elena Volpi, Insulin resistance of muscle protein metabolism in aging The FASEB Journal. ,vol. 20, pp. 768- 769 ,(2006) , 10.1096/FJ.05-4607FJE