JOURNAL OF MEDICAL BIOCHEMISTRY / 2016-2 “JOURNAL OF MEDICAL BIOCHEMISTRY”Official Journal of the Serbian Society of Medical Biochemists EDITORIAL BOARDVolume: 35-2 ORIGINAL PAPERElvar TheodorssonQUALITY ASSURANCE IN CLINICAL CHEMISTRY: A TOUCH OF STATISTICSAND A LOT OF COMMON SENSE … 103Patrizia Bonelli, Ruggero Buonocore,Rosalia Aloe, Giuseppe LippiBLOOD SAMPLING SEASONALITY AS AN IMPORTANT PREANALYTICALFACTOR FOR ASSESSMENT OF VITAMIN D STATUS … 113Milica Ranković Janevski,Ana Đorđević Vujičić, Svjetlana Maglajić ĐukićSALIVARY CORTISOL AS A BIOMARKER OF STRESS IN MOTHERSAND THEIR LOW BIRTH WEIGHT INFANTS AND SAMPLE COLLECTING CHALLENGES … 118Sevgin Özlem İseri-Erten,Zeliha Günnur Dikmen, Nuriye Nuray UlusuCOMPARISON OF SPECTROPHOTOMETRIC ANDFLUORIMETRIC METHODS IN EVALUATION OF BIOTINIDASE DEFICIENCY … 123Ivana Petrović, Ivan Stanković, Goran Milašinović,Gabrijela Nikčević, Bratislav Kirćanski, Velibor Jovanović,Srđan Raspopović, Nikola Radovanović, Siniša U. PavlovićTHE RELATIONSHIP OF MYOCARDIAL COLLAGEN METABOLISMAND REVERSE REMODELING AFTER CARDIAC RESYNCHRONIZATION THERAPY … 130Yifei Zhang, Xiaojing Song, Xixun Wang, Jinchen Hu, Lixin JiangSILENCING OF LncRNA HULC ENHANCES CHEMOTHERAPYINDUCED APOPTOSIS IN HUMAN GASTRIC CANCER … 137Sanaz Faramarz-Gaznagh, Yousef Rasmi,Mohammad-Hasan Khadem-Ansari, Mir-Hossein Seyed-Mohammadzad,Morteza Bagheri, Mohadeseh Nemati, Alireza Shirpoor, Ehsan SabooriTRANSCRIPTIONAL ACTIVITY OF GENE ENCODING SUBUNITS R1 AND R2OF INTERFERON GAMMA RECEPTOR IN PERIPHERAL BLOOD MONONUCLEARCELLS IN PATIENTS WITH SLOW CORONARY FLOW … 144Ksenija Vučićević, Vladimir Jakovljević, Natasa Čolović,Nataša Tošić, Tatjana Kostić, Irena Glumac, Sonja Pavlović,Teodora Karan-Đurašević, Milica ColovicASSOCIATION OF BAX EXPRESSION AND BCL2/BAX RATIO WITH CLINICAL AND MOLECULAR PROGNOSTIC MARKERS IN CHRONIC LYMPHOCYTIC LEUKEMIA … 150Mina Radosavljević-Radovanović, Nebojša Radovanović,Zorana Vasiljević, Jelena Marinković, Predrag Mitrović,Igor Mrdović, Sanja Stanković, Peter Kružliak, Branko Beleslin,Ana Uscumlić, Jelena KostićUSEFULNESS OF NT-proBNP IN THE FOLLOW-UP OF PATIENTSAFTER MYOCARDIAL INFARCTION … 158Fatimah Basil Al-Mukaynizi, Afrah AlKhuriji, Zaineb Babay,Mohammad Addar, Sooad AlDaihan, Mohammad Alanazi, Arjumand S. WarsyLACK OF ASSOCIATION BETWEEN ANGIOTENSIN CONVERTING ENZYMEI/D POLYMORPHISM AND UNEXPLAINED RECURRENT MISCARRIAGE IN SAUDI ARABIA … 166XX CONGRESS OF MEDICAL BIOCHEMISTRY AND LABORATORY MEDICINE WITH INTERNATIONAL PARTICIPATION – PLENARY SESSIONS … 175XX CONGRESS OF MEDICAL BIOCHEMISTRY AND LABORATORY MEDICINE WITH INTERNATIONAL PARTICIPATION – POSTER SESSIONS … 20112th EFLM SYMPOSIUM FOR BALKAN REGION – PLENARY SESSIONS … 237TECHNICAL REPORTSIZVEŠTAJ SA 58. SEDNICE IZVRŠNOG ODBORA DMBS … 251IZVEŠTAJ SA 59. SEDNICE IZVRŠNOG ODBORA DMBS … 253PROGRAM NAUČNIH, STRUČNIH SKUPOVA I EDUKATIVNIH SEMINARA … 254INSTRUCTIONS FOR AUTHORS … 263 Volume: 35 Belgrade, April – June 2016 Issue: 2JMB 2016; 35 (2): 103–274 © 2016 by SMBS, Belgrade