52439
Genetic analysis using ancient DNA provided no evidence for their distinct subspecific status ; DNA signatures from " P. spelaea " from Europe and Alaska were indistinguishable , suggesting one large panmictic population .
 Europe, Alaska
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Europe, Alaska