après le cours,après quelques mois et après quelques années
à découvrir en survolant le cercle ci-dessous
Sources: Studies by University of Illinois, University of California at Los Angeles, University of Oslo, Colorado State University, University of Pennsvivania, Ball State University Harvard Universits: Charité-University Medical Center, Boston University, West Virginia University, University College of Medical Sciences in New Delhi, Temple University, Dr. Loren Fishman, Alan KristaTof the Fred Hutchinson Cancer Research Center, Integral Health Clinic in India