The P15--A Multinational Assessment Battery for Collecting Data on Health Indicators Relevant to Adults with Intellectual Disabilities - Perry, J.; Linehan, C.; Kerr, M.; Salvador-Carulla, L.; Zeilinger, E.; Weber, G.; Walsh, P.; Van Schrojenstein Lantman-De-Valk, H.; Haveman, M.; Azema, B.; Buono, S.; Cara, A. C.; et al. (Journal of Intellectual Disability Research, 2010)