2834
The objective of this study was to examine changes in volumetric bone mineral density ( vBMD ) and cortical structure over 1 year in childhood nephrotic syndrome ( NS ) and to identify associations with concurrent GC exposure and growth .
 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