def output(self):
      return luigi.LocalTarget(self.input_file)
Retrieves overall survival, disease free survival and age at
dataset/ETHPy150Open MinerKasch/HadoopWithPython/python/Luigi/wordcount.py/InputFile.output--crossover with--dataset/ETHPy150Open CGATOxford/cgat/CGAT/CBioPortal.py/CBioPortal.getClinicalData