Table 1.

Concept mapping steps [adapted from Trochim (12)].

Concept mapping steps	Step details	Roadshow process
Before session one:
Step 1 Preparation	Selecting Participants Developing the Focus - Focus for Brainstorming - Focus for Rating	- Develop prompt and rating statement (co-developed with HERCULES SAB) - Program application and review - Identify representative participants (in consultation with community liaison)
During session one:
Step 2 Generation of Statements	Brainstorming	- Exposome analogy presentation (prompt background)
Step 3 Structuring of statements	Sorting Statements Rating Statements	- Brainstorming - Exposome education - Sorting and Rating
Between sessions:
Step 4 Representation of Statements	Creation of Maps	- HERCULES staff use Concept Systems to create different maps - Consultation with community liaison
During and after session two:
Step 5 Interpretation of Maps	Statement List Cluster List Naming the Clusters Point Map Cluster Map Cluster Rating Map	Interpretation of maps: - Presentation of cluster list and cluster rating map to community - Review and validation of cluster list by community - Naming the clusters - Selection of final Concept Map
Step 6 Utilization of maps	Prioritization Action Planning	Utilization of maps: - Select a priority cluster - Begin developing an action plan - Community enters Roadshow Community Grant Program - Identifying community definition of the exposome