786
PTSD gained acceptance in the medical and psychiatric community after a number of studies appeared in prominent medical and psychiatric journals describing the psychiatric symptoms of soldiers who had served and fought in the Vietnam War ( Fox 1972 ; Goldsmith and Cretekos 1969 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None