The authors would like to thank the following individuals for contributing their ideas and support for writing this specification: Michael Arick, Mario Bonin, Chris Bryant, Scott Carr, Andre Courtemanche, Mike Douglass, Ted Hardie, Marten den Haring, Jeffrey Harris, Sam Hartman, Helge Hess, Jeff McCullough, Alexey Melnikov, Dan Mosedale, Brian Moseley, Francois Perrault, Kervin L. Pierre, Julian F. Reschke, Wilfredo Sanchez Vega, Mike Shaver, Jari Urpalainen, Simon Vaillancourt, and Jim Whitehead.
The authors would also like to thank the Calendaring and Scheduling Consortium for advice with this specification, and for organizing interoperability testing events to help refine it.