Table 1.
Nominal group methodology.
Table 2.
Key characteristics of experts participating in all three rounds of the Delphi process.
Fig 1.
Flowchart of the Delphi process.
Table 3.
Conclusions reached during the Nominal Group.
Table 4.
The 12 statements included in the proposed definition of the WTHD, the percentage agreement for each, and the changes to their wording across the three rounds of the Delphi process.