What is the relationship between ZocDoc and New York 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.

US inspiration Dr Hurst came across rapidly growing US-based doctor booking and ratings startup ZocDoc while travelling in New York and returned to Australia to launch his own efficiency-boosting medical startup.

Answer: headquarters_location