1. From the University of Ottawa, Canada (G.N.); University of Washington, Seattle (A.P.H.); University of Iowa Hospital, Iowa City (R.K.); Gibson, Dunn and Crutcher, Inc, Denver (D.P.); University of Rochester, Rochester (A.J.M.); Medical College of Virginia, Richmond (J.O.); San Diego State University, San Diego (B.R.); University of North Carolina at Chapel Hill (S.S.); Columbia-Presbyterian Medical Center, New York (M.L.W.).