Shreeves, Geoff (2) Csikszentmihalyi, Mihaly, Feldman, David H., Gardner, Howard (1) Gleick, James (1) Misbah, Siraj A. (john Radcliffe Hospital, Spickett, Gavin P. (royal Victoria Infirmary, Dalm, Virgil A. S. H. (erasmus University Medical Center Rotterdam (1) Niemiec, Ryan M. (1)