1. Department of Biostatistics, School of Public Health Hamadan University of Medical Sciences Hamadan Iran
2. Department of Mathematics University of Bergen Bergen Norway
3. Department of Psychiatry and Psychotherapy University Regensburg Regensburg Germany
4. Department of Statistics, Faculty of Basic Sciences Bu‐Ali Sina University Hamadan Iran
5. Modeling of Noncommunicable Diseases Research Center Hamadan University of Medical Sciences Hamadan Iran
6. Research Center for Health Sciences Hamadan University of Medical Sciences Hamadan Iran