10780
This study contributes to accumulating evidence that caloric restriction acts by altering hormone levels rather than by directly starving cancers of energy Dr. Michael Pollak a  professor  of oncology at  McGill University  in Montreal wrote in an accompanying editorial .
 professor, McGill University
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:
 professor, McGill University