babak daneshfard research center for traditional medicine and history of medicine, shiraz university of medical sciences, shiraz, iran and essence of parsiyan wisdom institute, traditional medicine and medicinal plant incubator, shiraz university of medical sciences, shiraz, iran. milad hosseinialhashemi student research committee, shiraz university of medical sciences, shiraz, iran.

anna kierklo dept. of dentistry propaedeutics, medical university of bialystok, bialystok, poland. ewa rodakowska dept. of restorative dentistry, medical university of bialystok, bialystok, poland. ewa ostasiewicz-szuba dept. of dentistry propaedeutics, medical university of bialystok, bialystok, poland. ewa stokowska dept. of restorative dentistry, medical university of bialystok, bialystok, poland.

muammer kara department of gastroenterology, gata haydarpasa training hospital, 34668 uskudar-istanbul, turkey. alpaslan tanoglu department of gastroenterology, gata haydarpasa training hospital, 34668 uskudar-istanbul, turkey. ali kutlu department of immunulogy and allergy, gata haydarpasa training hospital, 34668 uskudar-istanbul, turkey. ozgur sirkeci department of internal medicine, gata haydarpasa training hospital, 34668 uskudar-istanbul, turkey. murat kekilli department of gastroenterology, hitit university, corum training and research hospital, çorum, turkey.

toba kazemi associate professor of cardiology, birjand atherosclerosis and coronary artery research center, department of cardiology,birjand university of medical sciences (bums), valiassr hospital, ghafari avenue,birjand, iran. gholamreza sharifzadeh epidemiologist,birjand university of medical sciences (bums), pasdaran avenue,birjand, iran.

sabir hussain department of biochemistry, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan. tahir ali department of biochemistry, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan.

Masumeh Foroutan, Seyed Mahmood Fatemi

seyedeh zohreh mousavi department of speech therapy, tehran university of medical sciences, tehran, ir iran azar mehri department of speech therapy, tehran university of medical sciences, tehran, ir iran; department of speech therapy, tehran university of medical sciences, tehran, ir iran. tel: +98-2177533939, saman maroufizadeh department of epidemiology and reproductive health, reproductive epidemiology research center, royan institute for reproductive biomedicine, acecr, tehran, ir iran samaneh emadi koochak department of speech therapy, tehran university of medical sciences, tehran, ir iran

Laurent Cohen Carole Henry Stanislas Dehaene Olivier Martinaud Stéphane Lehéricy Cathy Lemer Sophie Ferrieux