1. Department of Nursing, Faculty of Medicine University of Novi Sad Novi Sad Serbia
2. Department of Obstetrics, Gynaecology and Maternity Care Medical University of Bialystok Bialystok Poland
3. Department of Psychology, Faculty of Medicine University of Novi Sad Novi Sad Serbia
4. Department of Social Medicine and Health Statistics with Informatic, Faculty of Medicine University of Novi Sad Novi Sad Serbia