title: Invited commentary.
authors.affiliation: University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen, 9700 RB The Netherlands. y.j.gu@med.rug.nl
authors.forename: Y John
authors.initials: YJ
authors.lastname: Gu
mesh_terms: D000368:Aged; D006348:Cardiac Surgical Procedures; D002315:Cardiopulmonary Bypass; D047549:Coronary Artery Bypass, Off-Pump; D005260:Female; D006331:Heart Diseases / Q000097:blood / Q000601:surgery*; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D020738:Leptin / Q000097:blood*; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies
chemical_list: D020738:Leptin; D006854:Hydrocortisone