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Following three years as staff member at the MRC Laboratory of Molecular Biology , in 1980 De Robertis was appointed full Professor at the University of Basel , Switzerland .
 person: De Robertis; organization: University of Basel
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: De Robertis, University of Basel 
Answer:
 person: De Robertis; organization: University of Basel