with chronic liver diseases is associated with non-classical monocytes. BMC Gastroenterol 2012; 12: 38. 8 Nässberger L, Sturfelt G, Thysell H. Serum levels of the soluble interleukin-2 receptor are dependent on the kidney function. Am J Nephrol 1992; 12: 401–405. 9 Vorselaars AD, Wuyts WA, Vorselaars VM, et al. Methotrexate vs azathioprine in second-line therapy of sarcoidosis. Chest 2013; 144: 805–812. 10 Levey AS, Coresh J, Greene T, et al. Using standardized serum creatinine values in the modification of diet in renal disease study equation for estimating glomerular filtration rate. Ann Intern Med 2006; 145: 247–254. 11 Descamps-Latscha B, Herbelin A, Nguyen AT, et al. Balance between IL-1β, TNF-α, and their specific inhibitors in chronic renal failure and maintenance dialysis. Relationships with activation markers of T cells, B cells and monocytes. J Immunol 1995; 154: 882–892. 12 Shu KH, Lu YS, Cheng CH, et al. Soluble interleukin 2 receptor in dialyzed patients. Artif Organs 1998; 22: 142–144.