array(4) { [0]=> array(5) { [0]=> string(5) "Topic" [1]=> string(4) "Name" [2]=> string(4) "Type" [3]=> string(5) "Dates" [4]=> string(8) "Comments" } [1]=> array(5) { [0]=> string(9) "Pediatric" [1]=> string(53) "International Pediatric Radiology (IPR) Congress 2021" [2]=> string(10) "Conference" [3]=> string(9) "3/22/2021" [4]=> string(23) "http://www.ipr2021.org/" } [2]=> array(5) { [0]=> string(14) "Interventional" [1]=> string(9) "ECIO 2021" [2]=> string(10) "Conference" [3]=> string(9) "1/11/2021" [4]=> string(48) "https://cpaper.ctimeetingtech.com/ecio2021/login" } [3]=> array(5) { [0]=> string(11) "Informatics" [1]=> string(9) "SIIM 2022" [2]=> string(10) "Conference" [3]=> string(10) "12/17/2021" [4]=> string(48) "https://siim.org/page/22m_cfa_research_abstracts" } } TopicPediatricInterventionalInformatics