2944
39 CKD children stages 3 - 4 , 26 CKD children stage 5 still on conservative treatment , 19 patients on hemodialysis ( HD ) , 22 children on automated peritoneal dialysis ( APD ) and 30 controls were examined .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None