1. Lopez AD, Mathers CD, Ezzati M, Jamison DT, Murray CJ. Global and regional burden of disease and risk factors, 2001: systematic analysis of population health data. Lancet 2006;367:1747-1757.
2. Brown C, Hasson H, Thyselius V, Almborg AH. Post-stroke depression and functional independence: a conundrum. Acta Neurol Scand 2012;126:45-51.
3. Schulz R, Beach SR, Ives DG, Martire LM, Ariyo AA, Kop WJ. Association between depression and mortality in older adults: the Cardiovascular Health Study. Arch Intern Med 2000;160:1761-1768.
4. Pohjasvaara T, Vataja R, Leppavuori A, Kaste M, Erkinjuntti T. Depression is an independent predictor of poor long-term functional outcome post-stroke. Eur J Neurol 2001;8:315-319.
5. House A, Knapp P, Bamford J, Vail A. Mortality at 12 and 24 months after stroke may be associated with depressive symptoms at 1 month. Stroke 2001;32:696-701.
6. Flaster M, Sharma A, Rao M. Poststroke depression: a review emphasizing the role of prophylactic treatment and synergy with treatment for motor recovery. Top Stroke Rehabil 2013;20:139-150.
7. Carvalho AF, Rocha DQ, McIntyre RS, Mesquita LM, Kohler CA, Hyphantis TN, et al. Adipokines as emerging depression biomarkers: a systematic review and meta-analysis. J Psychiatr Res 2014;59:28-37.
8. Altar CA. Neurotrophins and depression. Trends Pharmacol Sci 1999;20:59-61.
11. Disner SG, Beevers CG, Haigh EA, Beck AT. Neural mechanisms of the cognitive model of depression. Nat Rev Neurosci 2011;12:467-477.
12. Holsboer F, Ising M. Stress hormone regulation: biological role and translation into therapy. Annu Rev Psychol 2010;61:81-109.
13. Stieg MR, Sievers C, Farr O, Stalla GK, Mantzoros CS. Leptin: a hormone linking activation of neuroendocrine axes with neuropathology. Psychoneuroendocrinology 2015;51:47-57.
15. Cordas G, Gazal M, Schuch EM, Spessato BC, Branco J, Jansen K, et al. Leptin in depressive episodes: is there a difference between unipolar and bipolar depression? Neuroendocrinology 2015;101:82-86.
16. Kraus T, Haack M, Schuld A, Hinze-Selch D, Pollmacher T. Low leptin levels but normal body mass indices in patients with depression or schizophrenia. Neuroendocrinology 2001;73:243-247.
17. Antonijevic IA, Murck H, Frieboes RM, Horn R, Brabant G, Steiger A. Elevated nocturnal profiles of serum leptin in patients with depression. J Psychiatr Res 1998;32:403-410.
18. Penninx BW, Kritchevsky SB, Yaffe K, Newman AB, Simonsick EM, Rubin S, et al. Inflammatory markers and depressed mood in older persons: results from the Health, Aging and Body Composition study. Biol Psychiatry 2003;54:566-572.
19. Marazziti D, Rutigliano G, Baroni S, Landi P, Dell'Osso L. Metabolic syndrome and major depression. CNS Spectr 2014;19:293-304.
20. Kim YW. Leptin resistance. J Korean Endocr Soc 2007;22:311-316.