1024
Formally the professional title for medical doctor is " lijekar " in Bosnian and Montenegrin , " liječnik " in Croatian , " lekar / лекар " in Macedonian and Serbian and " zdravnik " in Slovenian and they can hold different academic degrees , as well as additional honorific title of " Primarius " that is given to distinguished specialists with exemplary reputation and achievements .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None