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Recently , we reported five Austrian families with generalized atrophic benign epidermolysis bullosa who share the same COL17A1 mutation .
 Disease: atrophic benign epidermolysis bullosa
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: atrophic benign epidermolysis bullosa