Presenter: Louise Ryan
Paper: Growth Charts of Human Development
Author(s): Stef van Buuren
Link: http://www.stefvanbuuren.nl/publications/2014%20Growth%20charts%20for%20development%20-%20SMMR.pdf

Also: An interval scale for development of children aged 0–2 years, Gert Jacobusse, Stef van Buuren, Paul H. Verkerk. http://www.stefvanbuuren.nl/publications/Interval%20scale%20-%20Stat%20Med%202006.pdf