82681
" Multisystem developmental disorder " ( " MSDD " ) is a term used by Stanley Greenspan to describe children under age 3 who exhibit signs of impaired communication as in autism , but with strong emotional attachments atypical of autism .
 Stanley Greenspan, autism
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Stanley Greenspan, autism