fahimeh ranjbar kermani blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran zohreh sharifi blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran; blood transfusion research center, high institute for research and education in transfusion medicine, p.o. box: 14665-1157, tehran, ir iran. tel/fax: +98-218860150130 fereshteh ferdowsian blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran zahrah paz blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran farzaneh tavassoli blood transfusion research center, high institute for research and education in transfusion medicine, tehran, ir iran

mehdi zobeiri department of internal medicine, kermanshah university of medical sciences, school of medicine, imam reza hospital, ir iran +98-8314276309, [email protected]; department of internal medicine, kermanshah university of medical sciences, school of medicine, imam reza hospital, ir iran +98-8314276309, [email protected] mehdi zobeiri department of internal medicine, kermanshah university of medical sciences, school of medicine, imam reza hospital, kermanshah, ir iran; corresponding author at: mehdi zobeiri, department of internal medicine, school of medicine, imam reza hospital, kermanshah university of medical sciences, kermanshah, ir iran. tel.: +98-8314276309, fax: +98-8314276298, e-mail: peyman adibi department of gastroenterology, isfahan university of medical sciences, ir iran peyman adibi department of gastroenterology, isfahan university of medical sciences, isfahan, ir iran seyed moayed alavian baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, ir iran seyed moayed alavian baqiyatallah research center for gastroenterology and liver diseases, baqiyatallah university of medical sciences, tehran, ir iran

A Zamanian K Kaveh M Farshchian

oscar garcia-algar paediatrics unit, hospital del mar, parc de salut mar, spain +34-932483551, [email protected]; paediatrics unit, hospital del mar, parc de salut mar, spain +34-932483551, [email protected] laura garriga paediatrics unit, hospital del mar, parc de salut mar, spain +34-932483551, [email protected] cristina molera paediatrics unit, hospital del mar, parc de salut mar, spain +34-932483551, [email protected]

shaikh khalid muhammad c.m.c teaching hospital, larkana department of medicine, larkana, pakistan; corresponding author at: shaikh khalid muhammad, department of internal medicine, shahhed mohtarma benazir bhutto medical university, larkana, sindh, pakistan. tel.: +92-3332619052, fax: +92-722578082, e-mail: mujahid ali chandio c.m.c teaching hospital, larkana department of medicine, larkana, pakistan muhammad aslam soomro c.m.c teaching hospital, larkana department of medicine, larkana, pakistan bashir ahmaed shaikh c.m.c teaching hospital, larkana department of medicine, larkana, pakistan

alireza ansari-moghaddam health promotion research center, zahedan university of medical sciences, ir iran mohammad reza ostovaneh digestive disease research institute, shariati hospital, tehran university of medical sciences, ir iran +98-2182415141, [email protected] batool sharifi mood health promotion research center, zahedan university of medical sciences, ir iran esmail sanei-moghaddam health promotion research center, zahedan university of medical sciences, ir iran amirhossein modabbernia digestive disease research institute, shariati hospital, tehran university of medical sciences, ir iran +98-2182415141, [email protected] hossein poustchi digestive disease research institute, shariati hospital, tehran university of medical sciences, ir iran +98-2182415141, [email protected]; digestive disease research institute, shariati hospital, tehran university of medical sciences, ir iran +98-2182415141, [email protected]

S Merat, AA Teimouri , E Fakharzadeh , H Zaer-Rezaee , H Zamini , M Ajorloo , R Asadi , T Bamdad , T Hashempour ,

abdolrahim Masjedi-zade , eskandar Hajiani , mostafa Cheraghi , seyed jalal Hashemi ,