Kahn Shulamit, Ginther Donna K
Markets, Public Policy and Law Department, Questrom School of Business, Boston University, Boston, Massachusetts, USA.
Department of Economics and Center for Science, Technology &Economic Policy, University of Kansas, Lawrence, Kansas, USA, and National Bureau of Economic Research, Cambridge, Massachusetts, USA.
Nat Biotechnol. 2017 Jan 10;35(1):90-94. doi: 10.1038/nbt.3766.