Box A1.

detail of developed search strategy based on Medline data base

((((((embryonic disorder[MeSH Terms]) OR (embryonic disorder[Title/Abstract])) OR ((fetal disorder[Title/Abstract]) OR (fetal disorder[MeSH Terms]))) OR ((childhood abnormality[MeSH Terms]) OR (childhood abnormality[Title/Abstract]))) OR ((childhood disorder[Title/Abstract]) OR (childhood disorder[MeSH Terms]))) AND (((((Childhood[MeSH Terms]) OR (Childhood[Title/Abstract])) OR ((Fetal[Title/Abstract]) OR (Fetal[MeSH Terms]))) OR ((Fetus[MeSH Terms]) OR (Fetus[Title/Abstract]))) OR ((embryonic[Title/Abstract]) OR (embryonic[MeSH Terms])))) AND ((((((Cell Phone[Title/Abstract]) OR (Cell Phone[MeSH Terms])) OR ((Electromagnetic Fields[MeSH Terms]) OR (Electromagnetic Fields[Title/Abstract]))) OR ((Electromagnetic Radiation[Title/Abstract]) OR (Electromagnetic Radiation[MeSH Terms]))) OR ((Electromagnetic Wave[MeSH Terms]) OR (Electromagnetic Wave[Title/Abstract]))) OR ((Electromagnetic Energy[Title/Abstract]) OR (Electromagnetic Energy[MeSH Terms])))