361703
Additionally , Windschied worked as a teacher at several universities in Germany and Switzerland , including Basel , Greifswald , München , Heidelberg , and Leipzig .
 Basel, Greifswald, München, Heidelberg, Leipzig
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Basel, Greifswald, München, Heidelberg, Leipzig