13727
L. tibetica found in grasslands , sparse forests , along streams around the altitude of 2000 – 4500 meters in Gansu , Qinghai , Sichuan , Xizang region of China , Bhutan , India , Mongolia , Sikkim and Nepal .
 China, Bhutan, India, Mongolia, Sikkim, Nepal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 China, Bhutan, India, Mongolia, Sikkim, Nepal