TABLE 2.

History of Proposal #2130

Date	Event
3 December 2018	Registration of Proposal #2130 as “Complex Hierarchical Changes” to the Maintenance Platform of the ICD‐11
6 January 2019	Proposal submitted to the Maintenance Platform
6 March 2019	Proposal review by the Medical and Scientific Advisory Committee of the WHO Family of International Classifications (MSAC)
6 February 2020	Proposal sent back to the WHO Family of International Classifications by the MSAC
2 March 2021	Proposal review by the Classification and Statistics Advisory Committee of the WHO Family of International Classifications (CSAC)
3 March 2021	Opinion requested to the WHO Collaborating Center for Quality Improvement and Evidence‐based Dentistry (QED WHO CC), New York University, US a
4 March 2021	Comments provided by Benoit Varenne, Dental Officer at the Prevention of Noncommunicable Diseases (NCDs) Department, WHO, HQ, Geneva a
5 May 2021	Comments provided by the CSAC Small Group a
5 May 2021	CSAC voting the Proposal (first round)
4 July 2021	CSAC voting Summary Yes = 5 No = 0 Undecided = 5
27 July 2021	CSAC voting the Proposal (second round)
9 August 2021	Letter of Lars Andersson and Stefano Petti, communicating the passing away of Jens Ove Andreasen and Ulf Glendor a
14 September 2021	CSAC voting Summary Yes = 10 No = 0 Undecided = 0
29 October 2021	Proposal accepted by the CSAC
4 March 2022	Proposal Implemented with Modifications by the WHO Team 6
8 March 2022	Final comments provided by the CSAC

^aExcerpts available in Appendix S2.