paweł lizis dept. of physiotherapy, holycross college, kielce, poland.

malgorzata obara-golebiowska dept. of psychology of development and education, university of warmia and masuria, olsztyn, poland. katarzyna eufemia-przybylowicz dept. of human nutrition, university of warmia and masuria, olsztyn, poland.

burcu kayhan-tetik dept. of family medicine, faculty of medicine, inonu university, malatya, turkey. gamze bozcuk -güzeldemi̇rci̇ pediatric dentistry, ankara atatürk research and training hospital , ankara, turkey. melek kiliç ministry of health, ankara, turkey. hilal aksoy family medicine, etimesgut community health center, ankara, turkey. bilge sönmez family medicine, çerkeş state hospital, çankırı, turkey. enginburak selcuk dept. of family medicine, faculty of medicine, inonu university, malatya, turkey.

arpan chakrabarti dept. of life sciences, paschim gabberia high school, south 24 paraganas, india. santanu chakraborti dept. of zoology, acharya prafulla chandra roy government college, siliguri, india.

nuran karabulut dept. of medical microbiology, mental health hospital, elazig, turkey.

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.