247907
During the winter of 1777-1778 , it was used as a hospital by the Continental Army at Valley Forge and staffed by Dr. Bodo Otto ( 1711 – 1787 ) .
 Continental Army, Bodo Otto
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Continental Army, Bodo Otto