11794
Among those never certified , no perceived need ( 52 . 0 % ) or benefit ( 44 . 8 % ) were the most common reasons for not becoming certified ; however , a majority of those never certified ( 68 % ) stated that they would become board certified if there was no associated cost and they were confident they would pass .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None