By Eline Snel, Jon Kabat-Zinn, Myla Kabat-Zinn
By Rise VanFleet (Family Enhancement and Play Therapy Center, United States), Andrea E. Sywulak (private practice, Cynthia Caparosa Sniscak (private practice
By Athena A. Drewes (Astor Home for Children, Poughkeepsie, NY), Charles E. Schaefer (Farleigh Dickinson University, NJ)