2050
Serum insulin - like growth factor I ( IGF - I ) SD score increased from - 2 . 2 and - 4 . 2 in men and women , respectively , to 1 . 8 and - 0 . 9 at 6 months and 0 . 8 and - 0 . 7 at 12 months .
 GENE: Serum insulin - like growth factor I; GENE: IGF - I
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Serum insulin - like growth factor I, IGF - I 
Answer:
 GENE: Serum insulin - like growth factor I; GENE: IGF - I