Simon, Maurice, Sperling, Harry (1) Leibniz, Gottfried (1) Leibniz, Gottfried Wilhelm (1) Leibniz, Gottfried Wilhelm, Huggard, E M (1) Takagi, Hiroaki (nara Medical University), Furusawa, Chikara (the University Of Tokyo), Sawai, Satoshi (the University Of Tokyo), Kaneko, Kunihiko (copenhagen University) (1)