548
Association studies in two independent samples totaling 505 individuals revealed that the 5 - HTT polymorphism accounts for 3 to 4 percent of total variation and 7 to 9 percent of inherited variance in anxiety - related personality traits in individuals as well as sibships . .
 Disease: anxiety - related personality traits
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: anxiety - related personality traits