1. Postgraduate Course Stress Management and Health Promotion; School of Medicine; University of Athens; Athens Greece
2. Biomedical Research Foundation; Academy of Athens; Athens Greece
3. Laiko General Hospital; Athens University Medical School; Athens Greece
4. Department of Home Economics and Ecology; Harokopio University; Athens Greece
5. First Department of Pediatrics; Children's Hospital Aghia Sofia; School of Medicine; University of Athens; Athens Greece