Yaky Yanay, president and chief operating officer at Pluristem Therapeutics, smiles during an interview with Reuters in Haifa, Israel March 6, 2016. Israeli biotech firm Pluristem Therapeutics said they have developed a placenta-based cell therapy injection that can fully cure patients with multiple organ failure caused by high radiation exposure. Picture taken March 6, 2016. REUTERS/Baz Ratner