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He was one of the leaders of our group - - we all looked up to him . " Pulse and blood pressure are not as critical to what may happen to a teen as it is to know if they're smoking , drinking , having sex and those kind of things , " said Nicole Chaisson , MD , one of the leaders of a course on the adolescent office visit and a physician at Smiley 's Family and Community Residency Medicine Program at the University of Minnesota in Minneapolis . Noam is one of the leaders in the new interdisciplinary field of developmental psychopathology .