Table 2.

Timeline and development strategy.

Development strategy		December 2020-February 2021		March-June 2021		July-September 2021		October-November 2021		December 2021-February 2022
Concept
	Use and need in post–COVID-19	Applicable	N/Aa		N/A		N/A		N/A
	Strategy: user safety vis-à-vis medical information	Applicable	N/A		N/A		N/A		N/A
Backend development
	Conversational guide	N/A	Applicable		N/A		N/A		N/A
	Scenarios	N/A	Applicable		N/A		N/A		N/A
	Algorithms	N/A	Applicable		N/A		N/A		N/A
Frontend development
	Design	N/A	N/A		Applicable		N/A		N/A
	Integration	N/A	N/A		Applicable		N/A		N/A
	Editing	N/A	N/A		Applicable		N/A		N/A
Beta testing
	Testing within the RAFAEL team and communication department	N/A	N/A		N/A		Applicable		N/A
	Focus groups with adults	N/A	N/A		N/A		Applicable		N/A
	Focus groups with teenagers	N/A	N/A		N/A		N/A		Applicable

^aN/A: not applicable.