Dr Singer et al reply

Affiliations

• ¹ GSK, Philadelphia, Pennsylvania, USA; david.a.singer@gsk.com.
• ² Analysis Group, Inc., Montreal, Quebec, Canada.
• ³ GSK, Philadelphia, Pennsylvania, USA.
• ⁴ Analysis Group Inc., Menlo Park, California, USA.
• ⁵ Analysis Group, Inc., Boston, Massachusetts, USA.
• ⁶ GSK, Philadelphia, Pennsylvania, now with Real World Evidence, Chiesi USA, Cary, North Carolina, USA.
• ⁷ Analysis Group, Inc., New York, now with Komodo Health, New York, New York, USA.
• ⁸ University of Alabama at Birmingham, Birmingham, Alabama, USA.