[1] Univ Ghent, Dept Expt Clin & Hlth Psychol, B-9000 Ghent, Belgium
[2] Natl Univ Ireland Galway, Sch Psychol, Galway, Ireland
[3] Natl Univ Ireland Galway, Ctr Pain Res, Galway, Ireland
[4] Thomas Jefferson Univ, Nemours Childrens Hlth Syst, Ctr Healthcare Delivery Sci, Philadelphia, PA USA
[5] Thomas Jefferson Univ, Sidney Kimmel Med Coll, Dept Pediat, Philadelphia, PA USA