Table 4.

Main recommendations of International Advisory Board [20]

Key points	Details of actions	Recommendations
JECS study design
	Strategy of questionnaires	Collecting information not only from mothers but from fathers, teachers, and children themselves; appropriate frequency and length of questionnaires; use of web-based questionnaire
	Outcome measurements	Including pediatric examination for collecting objective data
	Environmental measurements	Collection of biospecimens from children; data analysis from biospecimens and questionnaires together; set priority of chemical exposures paying close attention to other relevant research projects
	Seek assent from children	Conduct a pilot study
JECS organizational structure
	Collaboration among different disciplines	Health sector and schools
Communication with public
	Disseminate progress and research outcomes of JECS through media	Increasing presence in social media, e.g., television, newspapers, and press conferences
	Co-operate with public speakers	Seeking support from celebrities, journalists, and eminent doctors
JECS international collaborations
	Develop international collaboration	Sharing goals
	Share information among study teams	Study protocols, procedures, and harmonization of methodologies

Abbreviations: JECS Japan Environment and Children’s study