In this study, the authors used public data from the Mouse Genome Informatics database.  The authors searched the Mouse Genome Informatics database and found 84 pathogenic genes of congenital microtia. 
Mouse Genome Informatics database
The authors used the String database (https://string-db.org/) to construct the Protein-Protein Interaction network. 
String database
Then Gene Ontology classification and Kyoto Encyclopedia of Genes and Genomes pathway analysis were performed for the pathogenic genes.



Gene Ontology classification
Then Gene Ontology classification and Kyoto Encyclopedia of Genes and Genomes pathway analysis were performed for the pathogenic genes.



Kyoto Encyclopedia of Genes and Genomes pathway analysis