Authors: Evan A Stein; Scott Mellis; George D Yancopoulos; Neil Stahl; Douglas Logan; William B Smith; Eleanor Lisbon; Maria Gutierrez; Cheryle Webb; Richard Wu; Yunling Du; Therese Kranz; Evelyn Gasparino; Gary D Swergold Journal: N Engl J Med Date: 2012-03-22 Impact factor: 91.245