marius-nicusor grigore faculty of biology, alexandru ioan cuza university of iasi, iasi, romania. lacramioara oprica faculty of biology, alexandru ioan cuza university of iasi, iasi, romania.

nazmul m huq dept. of statistics, jahangirnagar university, savar dhaka, bangladesh. abulquasem al-amin int. business school (ibs), universiti teknologi malaysia, kuala lumpur, malaysia. sushilranjan howlader inst. of health economics, university of dhaka, dhaka, bangladesh. mohammadalamgir kabir dept. of statistics, jahangirnagar university, savar dhaka, bangladesh.

سید وحید شریعت vahid shariat mental health research centre, tehran psychiatric institute, niayesh st., satarkhan ave., tehran, iran, i r. fax: +9821-66506862تهران، خیابان ستارخان، خیابان نیایش، خیابان شهید منصوری، مرکز تحقیقات بهداشت روان .دورنگار: 66506862-021 مژگان تابان mozhgan taban

زهره بادیه پیمای جهرمی zohreh badiyepeyma زهره بادیه پیمای جهرمی، کارشناسی ارشد دانشگاه علوم پزشکی جهرم، دانشگاه علوم پزشکی جهرم، جهرم، فارس، ایران. [email protected] مصطفی عنایت راد moustafa enayat rad مصطفی عنایدراد، دانشجوی دکتری اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران. ([email protected]) حمید صالحی نیا hamid salehiniya حمید صالحی نیا، دانشجوی دکتری اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی تهران، تهران، ایران. [email protected]

h rahmati-holasoo department of aquatic animal health, faculty of veterinary medicine, university of tehran, tehran, iran ha ebrahimzadeh mousavi department of aquatic animal health, faculty of veterinary medicine, university of tehran, tehran, iran

afshin khani student research committee, babol university of medical sciences, ayatollah rouhani hosptial, babol, iran.

erdim sertoglu ankara mevki military hospital, anittepe dispensary, biochemistry laboratory, ankara, turkey huseyin kayadibi adana military hospital, biochemistry laboratory, adana, turkey metin uyanik corlu military hospital, biochemistry laboratory, tekirdag, turkey

rashid menhas dept. of sociology, pir mehr ali shah arid agriculture university rawalpindi, pakistan. shumaila umer dept. of sociology, sardar bahadur khan women university quetta, pakistan.

nebojsa kavaric primary health care center, podgorica, montenegro. aleksandra klisic primary health care center, podgorica, montenegro. ivan soldatovic institute for biostatistics, medical informatics and researches in medicine, faculty of medicine, university of belgrade, serbia. bojko bjelakovic clinic of pediatrics, clinical center, nis, serbia and medical faculty, university of nis, serbia.