[1] Harvard Med Sch, Boston Childrens Hosp, Pain & Affect Neurosci Ctr, Dept Anesthesiol Crit Care & Pain Med,Brain & Eye, Boston, MA USA
[2] Uppsala Univ, Dept Psychol, Uppsala, Sweden
[3] Tech Univ Dresden, Dept Otorhinolaryngol, Smell & Taste Clin, Dresden, Germany
[4] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Program Placebo Studies, Boston, MA USA
[5] Harvard Med Sch, Massachusetts Gen Hosp, Dept Psychiat, Boston, MA USA
[6] Harvard Med Sch, Massachusetts Gen Hosp, Dept Radiol, Boston, MA USA
[7] Boston Childrens Hosp, Dept Anesthesiol, Div Pain Med, Boston, MA USA
[8] Endicott Coll, Dept Psychol, Beverly, MA USA
[9] Harvard Med Sch, Boston Childrens Hosp, Dept Ophthalmol, Boston, MA USA
[10] Uppsala Univ, Dept Psychol, Kraemers Alle 1A 1C, S-75237 Uppsala, Sweden