317
The problem with all these trials is the cooling was too slow taking as long as six hours with some devices said the leader of one key study Dr. Michael Holzer of Medical  University of Vienna  in  Austria  .
 University of Vienna, Austria
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 University of Vienna, Austria