Tetsuo Yukioka, Managing Director of Tokyo Medical University and Keisuke Miyazawa, Vice-President of Tokyo Medical University, bow as they attend a news conference in Tokyo

Tetsuo Yukioka (L), Managing Director of Tokyo Medical University and Keisuke Miyazawa, Vice-President of Tokyo Medical University, bow as they attend a news conference in Tokyo, Japan August 7, 2018. REUTERS/Toru Hanai