by Kaste, Katherine P., Hoffman, Dr. Robert, Caldwell, Dr. Barrett, Kasdaglis, Capt. Nicholas, Neville, Dr. Kelly J.
Published in Proceedings of the Human Factors and Ergonomics Society Annual Meeting (01.09.2015)

by Dr. Robert Hoffman New York University School of Medicine AP SPECIAL FEATURES
Published in The Salt Lake tribune (02.03.1995)

by Dr. Robert Hoffman New York University School of Medicine FOR AP SPECIAL FEATURES
Published in The Salt Lake tribune (03.03.1994)