[1] Univ Munich, Dept Phys Med & Rehabil, DE-81377 Munich, Germany
[2] Univ Munich, IMBK, WHO FIC Collaborating Ctr DIMDI, ICF Res Branch, Munich, Germany
[3] Braeside Hosp, Sydney, NSW, Australia
[4] NYU, Sch Med, New York, NY USA
[5] Univ Vienna, Dept Phys Med & Rehabil, A-1010 Vienna, Austria
[6] WHO, Classificat Assessment Surveys & Terminol Team, CH-1211 Geneva, Switzerland
[7] Thomas Jefferson Univ, Jefferson Med Coll, Dept Rehabil Med, Philadelphia, PA 19107 USA