IALSA is funded through an NIH/NIA Program Project Grant (P01AG043362; 2013-2018) to Oregon Health & Science University (Program Directors: Scott Hofer, Andrea Piccinin, Jeffrey Kaye, and Diana Kuh) and previously funded by NIH/NIA (R01AG026453; 2007-2013) and CIHR (103284; 2010-2013). We make primary use of a coordinated analysis approach and are have aided in funding an international metadata repository and search tool to facilitate longitudinal research and measurement harmonization through the Maelstrom Catalogue ( ). We make use of an open science framework for the analysis of longitudinal observational studies and provide materials for planned, active, and completed studies on this site.