| Code | Definition | Number of Accessions | 
		
			| 1 | very short | 5 | 
		
			| 2 | (1= very short, 9= very long) | 5 | 
		
			| 3 | (1= very short, 9= very long) | 5 | 
		
			| 4 | (1= very short, 9= very long) | 5 | 
		
			| 5 | (1= very short, 9= very long) | 2 | 
		
			| 6 | (1= very short, 9= very long) | 1 | 
		
			| 7 | (1= very short, 9= very long) | 1 |