private static String getLeftOut( int patientIDToLeaveOut ) throws Exception
	{
		String returnString = null;
		
		BufferedReader reader = new BufferedReader(new FileReader(new File(ConfigReader.getChinaDir() 
				+ File.separator + "phylum_taxaAsColumnsLogNorm_WithMetadataNonRare.txt")));
	
		reader.readLine();
		
		for(String s= reader.readLine(); s != null; s = reader.readLine())
		{
			String[] splits = s.split("\t");
			
			if( Integer.parseInt(splits[1])== 2 && splits[4].equals("second_B")
							&& Integer.parseInt(splits[2]) == patientIDToLeaveOut)
			{
				if( returnString != null)
					throw new Exception("No");
				
				returnString = s;
			}
		}
	
		if(returnString ==  null)
			throw new Exception("No");
		
		return returnString;
	}