[1] Univ Munich, IHRS, DE-81377 Munich, Germany
[2] WHO Collaborating Ctr Family Int Classificat Germ, ICF Res Branch, Nottwil, Switzerland
[3] Kaiser Franz Joseph Spital, Vienna, Austria
[4] Univ Hosp Vienna, Dept Phys Med & Rehabil, Vienna, Austria
[5] WHO, CH-1211 Geneva, Switzerland
[6] Swiss Parapleg Res, Nottwil, Switzerland
[7] Univ Lucerne, Seminar Hlth Sci & Hlth Policy, Luzern, Switzerland