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But Jason Calhoun chairman of orthopedic surgery at the  University of Missouri  at  Columbia  School of Medicine who will help lead the four-year study said there are many unanswered questions about the bacteria and the outbreak of infections among injured troops .
 subsidiaries: University of Missouri, Columbia
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 subsidiaries: University of Missouri, Columbia