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He was one of a small handful of Anchorage-based doctors to take the initiative to provide their services to rural communities in this fashion ( others included Milo Fritz , an ear , nose and throat doctor , and Lloyd Hines , an optometrist ) , in the years before Alaska 's transportation and health care delivery networks allowed easy access to urban health care facilities .
 None
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:  
Answer:
 None