Bartlett, Robert (university Of St Andrews) (2) Fabbri, Robert (2) Kramer, Jitske (2) Paull, Robert E (university Of Hawaii At Manoa, Duarte, Odilo (escuela Agricola Panamericana – El Zamorano (2) Zweig, Rene D., Leahy, Robert L. (weill Cornell Medical College (1)