1679
Protein C deficiency or protein S deficiency was the only identified risk factor for 5 . 4 % ( 2 patients ) and 13 . 5 % ( 5 patients ) , respectively , of these 37 children .
 GENE: Protein C; GENE: protein S
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Protein C; GENE: protein S