Bereavement exclusion 1 Conformal mapping 1 Controversial topics 1 Death rates Diseases 1 Grief 1 Kohonen 1 Kohonen network 1 Major depressive disorder 1 Mental illness 1 Physical symptoms 1 Population statistics 1 Psychometric 1 Self organizing maps 1 bereavement exclusion 1 grief 1 major depressive disorder 1 psychometrics 1 self-organizing map 1