What is the relationship between DexCom and San Diego in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

An example, near to us in San Diego Scripps Health, published a case study on their use of DexCom G6 since the start of the COVID pandemic and highlighted several encouraging points.

Answer: headquarters_location