{"name":"John E. Walker","orcid":"0000-0002-0609-9545","affiliation":"San Francisco Department of Public Health","id":760864,"datarank":0.0,"percentile_rank":0.0,"paper_count":0,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}