This report has been prepared by the Ageing Special Interest Research Group
of the International Association for the Scientific Study of Intellectual
Disabilities (IASSID) in collaboration with the Department of Mental Health
and Substance Dependence and the Programme on Ageing and Health, World Hea
lth Organization (WHO), Geneva, Switzerland, and all rights are reserved by
the above mentioned organization. The document may, however, be freely rev
iewed, abstracted, reproduced or translated in part, but not for sale or us
e in conjunction with commercial purposes. It may also be reproduced in ful
l by non-commercial entities for information or for educational purposes wi
th prior permission from WHO/IASSID. The document is likely to be available
in other languages also.